Which statement about the pyloric sphincter is true?


A. When the pyloric sphincter opens, partially digested food is pushed from the esophagus into the stomach.

B. When the pyloric sphincter opens, partially digested food is pushed from the stomach to the large intestine.

C. When the pyloric sphincter closes, partially digested food is prevented from entering the large intestine.

D. When the pyloric sphincter closes, partially digested food is prevented from entering the small intestine.

Answers

Answer 1

Answer:

B

Explanation:

Answer 2
Final answer:

The pyloric sphincter is a muscle that prevents the passage of partially digested food from the stomach to the small intestine until the appropriate time.

Explanation:

The statement 'When the pyloric sphincter closes, partially digested food is prevented from entering the small intestine.' is correct. The pyloric sphincter is a band of smooth muscle at the junction between the pylorus of the stomach and the duodenum of the small intestine. Its function is to prevent the passage of partially digested food, known as chyme, from the stomach to the small intestine until the appropriate time. It doesn't interact directly with the esophagus or the large intestine.

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Related Questions

7. What is an atoke?

Answers

Answer:

The atoke is a single metal bell and looks like a large pea-pod.

or

the anterior sexless part of certain polychaete worms from which grows the sexual portion

An atoke is the anterior, non-reproductive segment of a polychaete worm. During reproduction, the posterior segment, called the epitoke, detaches to spawn. This process is observed in marine worms like the palolo worm.

An atoke is a part of a marine worm known as a polychaete, which belongs to the class Polychaeta in the phylum Annelida. It refers to the anterior, non-reproductive segment of the worm. During the reproductive period, the atoke remains in its habitat while the posterior segment, called the epitoke, detaches and swims to the surface to spawn. This fascinating reproductive strategy is seen in some species of polychaetes, such as the palolo worm.

Example:

As an example, in the Pacific palolo worm (Palola viridis), the atoke remains hidden in coral reefs, while the epitoke breaks off and releases gametes into the ocean during a mass spawning event. This event usually coincides with a specific lunar phase, ensuring that many worms spawn simultaneously for greater reproductive success.

How can gene editing be used in medical research?

A. It can map the locations of whole genes on chromosomes.

B. It can make several exact copies of mutated genes.

C. It can insert genes from one species into another.

D. It can change a few bases in a piece of mutated DNA.

Answers

Answer:

D. It can change a few bases in a piece of mutated DNA.

It can change a few bases in a piece of mutated DNA. Therefore, option (D) is correct.

What is gene editing?

Gene editing is a powerful technique used to modify the DNA sequence in an organism's genome. It allows scientists to make precise changes to the genetic code by adding, deleting, or altering specific DNA segments. The most widely used gene editing tool is CRISPR-Cas9, which utilizes a guide RNA to target specific locations in the genome and the Cas9 protein to cut the DNA at those sites.

Gene editing holds significant potential in various fields, including medical research. It offers opportunities to study gene function, investigate disease mechanisms, and develop potential treatments for genetic disorders. By correcting disease-causing mutations or introducing therapeutic genes, gene editing can provide new possibilities for precision medicine and personalized therapies.

However, ethical considerations and careful evaluation of potential risks and benefits are essential when applying gene editing technologies to ensure their responsible and safe use

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Why does a continental crust rise above an oceanic crust when the two meet?


A They are of equal density but the continental crust moves faster.


B It is less dense.


C They are of equal density but the continental crust moves slower.


D It is denser.

Answers

Final answer:

The continental crust rises above the oceanic crust when they meet because it is less dense, allowing it to float higher on the mantle. So the correct option is B.

Explanation:

When a continental crust meets an oceanic crust, the continental crust rises above the oceanic crust because it is less dense. The average composition of continental crust is granite, which has a lower density compared to the basaltic rocks that make up the oceanic crust. Due to its lower density and thicker composition, continental crust floats higher on the mantle, while the denser oceanic crust is more easily subducted beneath the continental plate at a subduction zone, leading to features like ocean trenches and volcanic activity.

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Explain how population sizes in nature are regulated​

Answers

Answer:

Understanding Populations

Section 1  How Populations Change in Size

Objectives

Describe the three main properties of a population.

Describe exponential population growth.

Describe how the reproductive behavior of individuals can affect the growth rate of their population.

Explain how population sizes in nature are regulated.

What Is a Population?

A population is a group of organisms of the same species that live in a specific geographical area and interbreed. A population is a reproductive group because organisms usually breed with members of their own population.

Properties of Populations

Density is the number of individuals of the same species that live in a given unit of area. Dispersion is the pattern of distribution of organisms in a population. A population’s dispersion may be even, clumped, or random. Size, density, dispersion, and other properties can be used to describe populations and to predict changes within them.

How Does a Population Grow?

A population gains individuals with each new offspring or birth and loses them with each death. The resulting population change over time can be represented by the equation below.

Growth rate is an expression of the increase in the size of an organism or population over a given period of time. It is the birth rate minus the death rate. Overtime, the growth rates of populations change because birth rates and death rates increase or decrease.  For this reason, growth rates can be positive, negative, or zero.

For the growth rate to be zero, the average number of births must equal the average number of deaths. If the adults in a population are not replaced by new births, the growth rate will be negative and the population will shrink.Explanation:

Final answer:

Nature's population sizes are restrained through density-dependent factors like predation and competition, and density-independent factors such as weather, with humans impacting these through agriculture, medical advances, and urbanization. Models like exponential and logistic growth help predict population dynamics but simplify the complexity of real-life scenarios where factors change over time.

Explanation:

Population sizes in nature are regulated by density-dependent and density-independent factors. Density-dependent factors include competition, predation, disease, and parasitism, which become more significant as the population density increases. Conversely, density-independent factors such as natural disasters, severe weather, and human activities like pollution affect populations regardless of their size.

Humans overcome density-dependent regulation through techniques like agriculture, which increases food supply, medical advancements that reduce death from diseases, and urbanization that provides living space. However, these interventions can lead to overpopulation and environmental degradation.

Population ecologists use models like the exponential growth and logistic growth models to predict population dynamics; the latter incorporates carrying capacity, which is the maximum population size that the environment can sustain over time. While useful, these models are simplifications of complex real-life population dynamics where carrying capacity and other factors can fluctuate significantly with time and conditions.

An estuary collects sediments from the ocean and rivers that feed into it. The sediments swirl around and then settle to form a mudflat. Eel grass is then established on the mudflat. The ecosystem changes over time and ultimately develops into a salt marsh that contains mangrove trees. Which of the following is likely NOT involved in this example of ecological succession?

Answers

Answer: The concentration of salt becomes so high that all plant life is destroyed.

Explanation:

Which of the following statements correctly represents the difference between acculturation and assimilation?
A. Assimilation occurs when a group is fully integrated into another culture, and acculturation occurs when
a group adopts some beliefs of another culture but remains distinct from other groups.
B. Assimilation occurs when cultures adopt the customs of other cultures for their own benefit, and
acculturation occurs when one aspect of a culture is spread from one society to another.
C. Assimilation occurs when a group adopts some beliefs of another culture but remains distinct from other
groups, and acculturation occurs when a group is fully integrated into another culture.
D. Assimilation occurs when one aspect of a culture is spread from one society to another, and
acculturation occurs when cultures adopt the customs of other cultures for their own benefit.

Answers

Explanation:

A. Assimilation occurs when a group is fully integrated into another culture, and acculturation occurs when  a group adopts some beliefs of another culture but remains distinct from other groups.

Cultural exchange has been integral to human society, as cultures change over time. Migration, and commerce has frequently facilitated this process; cultural elements diffuse throughout groups, and as a result, these are adopted in different contexts When groups undergo complete integration to a separate, distinct culture, this process is called assimilation. However, different groups may exchange cultural elements, or adopt some form of another group's culture with each while remaining separate and distinct in acculturation.

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Final answer:

Acculturation involves adopting some elements of another culture while maintaining a distinct identity, whereas assimilation refers to full integration into the dominant culture, often losing the original cultural identity.

Explanation:

The difference between acculturation and assimilation primarily revolves around the depth of cultural integration and the retention of the original culture by a minority group within a dominant culture. Acculturation refers to the process where a group adopts certain elements of another culture (such as dress, language, or traditions) but still maintains its distinct cultural identity. On the other hand, assimilation occurs when a group becomes so fully integrated into the dominant culture that it loses its original cultural identity and becomes indistinguishable from the native members of the dominant group.

With these definitions in mind, the correct statement that represents the difference between acculturation and assimilation is:

A. Assimilation occurs when a group is fully integrated into another culture, and acculturation occurs when a group adopts some beliefs of another culture but remains distinct from other groups.

Which of the following is an example of parasitism?
O
A. Algae living on a sloth, giving it camouflage
O
B. Two fish protecting each other from predators
O
C. Tree frogs using the trees to hide from predators
O
D. Fleas living on a dog, making the dog ill
SUBM

Answers

Answer:

The correct answer is d. Parasites take what they want from the host not trying to help out the host.

Explanation:

The following example of parasitism is fleas living on a dog, making the dog ill. The correct option is D.

What is parasitism?

Parasitism is a process in which the organism lives upon another organism for food and space, but it exploits the other organism and makes it ill and weak.

The fleas, that feed upon dog skin, suck the blood of the dog and infect the dog with the parasites they get.

Thus, the correct option is D. Fleas living on a dog, making the dog ill.

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Cellular reactions can be made spontaneous by

Answers

Cellular relations can be made spontaneous by the application of heat to the reactions.

The correct option is (B).

What are cellular reactions?

Cellular respiration is a series of metabolic activities and processes that occur within organisms' cells.

They transform chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP) and then release waste products.

Thus, option (B) is correct because on applying heat the reaction becomes spontaneous.

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Which statements correctly describe the inheritance pattern for the alleles that control blood type? Check all that apply. IA is dominant. IB is dominant. i is dominant. IA is recessive. IB is recessive. i is recessive.

Answers

Explanation:

both  IA  and IB are dominant- A and B groups show co-dominance

Inheritance describes the way in which certain traits are passed onto offspring of sexual reproduction. For co-dominance, both of a gene's alleles are present, and notable in the phenotype.

Blood glycoprotein alleles are crucial to blood type determination for the ABO system in humans- i does not lead to modifications, while  IA leads to the modification of adding N-acetylgalactosamine to the H-antigen on red blood cells; and IB adds galactose

[tex]I_{A} I_{B}[/tex] = blood type AB while [tex]I_{A} I_{A}[/tex] = blood type A while [tex]I_{B} I_{B}[/tex] = blood type B. Since [tex]I_{A} I_{B}[/tex] are both dominant over ii, those with that allele have blood type O.

The nucleus is a large membrane-bound organelle that houses the genetic information, DNA, in the cell. Sequences of DNA make up genes which can have different forms called alleles and comprise the genotype. DNA is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins. These proteins, when expressed, are referred to as an organism's phenotype.

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Answer:

a, b, and f

Explanation:

what do you think would happen if you took an antacid prior to eating a hamburger? think about this in terms of what buffers do (you may need to look up the term"buffer").

Answers

This might cause indigestion or slow digestion.

Explanation:

The normal nature of stomach is acidic due to the presence of HCL.  his acidic pH is necessary to facilitate the process of digestion. An antacid is usually consumed when the acidic level of the stomach exceeds beyond normal causing symptoms of the condition called acidity.

When we take antacids without any reason it will work like a buffer that alters the pH of a medium and reduce the normal acidic level in the stomach. Normal digestion cannot take place at this new pH. If we take any food after that indigestion will be the result.

So taking a hamburger after consuming antacid will cause indigestion or slow digestion.

Bacteria and archaea function in the nitrogen cycle

Answers

Answer:Archaea are able to perform different reductive pathways of the N-cycle, including both assimilatory processes, such as nitrate assimilation and N(2) fixation, and dissimilatory reactions, such as nitrate respiration and denitrification. However, nitrogen metabolism is much less known in archaea than in bacteria.

Explanation:

Bacteria and archaea are essential to the nitrogen cycle, converting atmospheric nitrogen into forms usable by plants and animals. They engage in nitrogen fixation, nitrification, and denitrification, crucial for ecological balance and the biosphere.

Bacteria and archaea play crucial roles in the nitrogen cycle, a fundamental process that converts atmospheric nitrogen into various chemical forms usable by plants and animals. Bacteria in the genus Rhizobium, for instance, are known for their nitrogen-fixing abilities, living symbiotically within the roots of legume plants like clover and peas, converting atmospheric nitrogen into ammonia. This ammonia is essential for the plants to synthesize nucleic acids and other vital biomolecules.

Apart from nitrogen fixation, these prokaryotes are also involved in other stages of the nitrogen cycle such as nitrification, where soil and oceanic archaeal microbes, particularly those within the Crenarchaeota group, convert ammonia to nitrites. Further, nitrifying bacteria and archaea are involved in converting these nitrites to other nitrogenous compounds through processes like ammonification and denitrification. Denitrifying bacteria, for example, reduce nitrates back to atmospheric nitrogen, completing the cycle.

These microbial processes are not only essential for the survival of plants and by extension, animals, but also for maintaining the balance of nitrogen in the atmosphere, soil, and water ecosystems. The efficient conversion of nitrogen in its various forms by bacteria and archaea highlights their indispensable role in the earth's ecological and biological systems.

Glaciers existed in many parts of the world but have melted. Scientists can detect that an area was once covered by a glacier using the evidence of



A) V-shaped valley
B) loess deposits
C) alluvial fan
D) U-shaped valley

Answers

Scientists can detect that an area was once covered by a glacier using the evidence of v-shaped valley

Which of the following is an example of an electrolytic solution? Select all that apply.

A. sea water

B. fresh water

C. carbonic acid

D. salt (NaCl)

Answers

Answer:

C carbonic acid and D salt are the example of electrolytic solution.

Explanation:

Carbonic acid is an weak electrolyte because in aqueous solution carbonic acid undergo partial hydrolysis to generate H+ and HCO3- ions.

    H2CO3 ⇄ H+  +  OH-

NaCl is a strong electrolyte  because in aqueous solution NaCl undergo hydrolysis to generate Na+ and Cl- ions.

   NaCl ⇄ Na+ and Cl-

   

Final answer:

Sea water and salt (NaCl) when dissolved in water are examples of electrolytic solutions that can conduct electricity. Fresh water typically does not conduct electricity well unless it contains dissolved minerals, and carbonic acid acts as a weak electrolyte. Substances like NaOH and Fe(NO3)3 are strong electrolytes, while CH3COCH3 and Br2 are nonelectrolytes.

Explanation:

An electrolytic solution is a solution that contains ions and can conduct electricity when dissolved in water. Out of the options provided, both sea water (which contains a variety of dissolved salts) and salt (NaCl) when dissolved in water are examples of electrolytic solutions. In contrast, fresh water is typically a poor conductor of electricity since it lacks free ions unless it has dissolved minerals. Carbonic acid, formed when carbon dioxide dissolves in water, also acts as a weak electrolyte.

Given substances and their classification as electrolytes or nonelectrolytes include:

Sodium hydroxide (NaOH) and iron(III) nitrate [Fe(NO3)3] are strong electrolytes.Acetone (CH3COCH3) and elemental bromine (Br2) are considered nonelectrolytes because they do not dissociate into ions in solution.

As for whether solutions of certain solutes will conduct electricity:

AgNO3 (silver nitrate) will conduct electricity as it is a strong electrolyte.CHCl3 (chloroform) will not conduct electricity because it is a nonelectrolyte.

identify the cerebral cortex in the diagram below

Answers

The area marked by A in the figure is the cerebral cortex/cerebral mantle.

Explanation:

The cerebral cortex is known as the surface of the brain. It is the outer layer of the cerebrum dividing it into two hemispheres. There a numerous peaks and grooves in this layer called as gyri and sulci.

The cerebral cortex is the largest point  of neural intergration in the central nervous system. It is essential for the actions like "attention, perception, awareness, thought, memory, language, and consciousness".

Answer:

A

Explanation:

The cerebral cortex is at the top of the brain, between the frontal lobe and parietal lobe.

Which of these activities increases the amount of carbon in the atmosphere?
A.
animals eating plants
B.
burning of fossil fuels
O
C.
fossilization
D.
photosynthesis
nado
Next

Answers

Answer:

B.

burning of fossil fuels

it increase the amount of carbon present in atmosphere.

Answer:

B.

Explanation:

as when we burn of fossel fuel causes nitrogen and carbon and other gases in air

Would you expect a honeycreeper species that lives only on the island of Hawaii to have evolved before or after a honeycreeper species that lives on the islands of Hawaii, Maui, and Oahu? Explain your answer.

Answers

The honey-creepers of Hawaii were evolved later.

Explanation:

The Hawaiian honey-creepers were evolved after the Hawaii, Maui and Oahuian honey-creeper. The research work conducted by Michi Horfeiter of York University involved the study of finches that are the origin of honey-creepers and their evolution on the island of Hawaii.

As this island has a huge number of diversities among the honey-creeper family the researchers found their evolution occurring after the evolution of them in the Maui, Hawaii and Oahu island. This process of large bursting evolution is known as radiation. This radiation is behind their evolution.

How is an increase in carbon in the atmosphere likely to affect coastal areas
such as those in North Carolina?
O A. More flooding
JOB. Fewer storms
O C. More sunlight
O D. Less erosion

Answers

Answer:

a

Explanation:

Final answer:

A rise in carbon levels in the atmosphere leads to climate change, causing the Earth's temperature to rise, melting ice caps and causing sea levels to rise. This, in turn, leads to more flooding in coastal areas like North Carolina.

Explanation:

An increase in atmospheric carbon, primarily due to human activities like burning fossil fuels, leads to a phenomenon known as climate change. One major byproduct of climate change is rising sea levels because higher atmospheric carbon levels cause the Earth's average temperature to rise, resulting in the melting of polar ice caps and thermal expansion of the ocean. Coastal regions, such as North Carolina, are particularly vulnerable to these rising levels, which can lead to more flooding.

To expand on the effect, as sea levels rise, even regular high tides can push seawater further inland causing flooding in low lying regions. Moreover, in the event of a storm, the potential destruction is amplified due to higher sea level providing a base for storm surge.

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Coral reefs are ideal breeding grounds for a variety of fish and sea creatures, and coral is considered a foundation species. Unfortunately, coral reefs are fragile ecosystems and are easily disrupted. Because coral contain calcium carbonate deposits, one situation poses a growing threat to coral as well as the many organisms that are dependent on them. That situation is

Answers

Answer:

whats is. define represent

Answer:

D) acidification of the ocean caused by increased atmospheric carbon dioxide emissions that dissolve in water.

Explanation:

USATestprep said so

Tornadoes are rotating, funnel-shaped clouds that often appear with little to no warning. Wind speeds in a tornado can reach up to 300 miles per hour, and damage paths can extend for miles. Which of the following is the cause of most of the injuries and deaths from tornadoes? A. lightning strikes B. flying debris C. poor visibility D. heavy rain

Answers

Answer:

a lightinging strikes that is because i am    farting oops

Explanation:

Answer:

Flying debris.

Explanation:

You can get hit by something flying in the air

Which of the following is NOT a component of a nucleotide?

a. Phosphate
b. Nitrogenous base
c. Pentose sugar
d. DNA

Answers

Answer:

D

Explanation:

Which of the following is not a component of DNA's nucleotides?

a. A phosphate group

b. A base (A, C, T, or G)

c. A deoxyribose backbone

d. RNA

Final answer:

DNA is not a component of a nucleotide; instead, nucleotides form DNA. Each nucleotide consists of a nitrogenous base, a pentose sugar, and phosphate groups.

Explanation:

The component that is NOT a part of a nucleotide is option d. DNA. Nucleotides themselves are the building blocks of nucleic acids, such as DNA and RNA. Each nucleotide is composed of three main components: a nitrogenous base, a pentose sugar, and one or more phosphate groups. The pentose sugar could be either deoxyribose, in the case of DNA, or ribose for RNA. The nitrogen-containing bases are divided into purines (adenine and guanine) and pyrimidines (cytosine, thymine, and uracil). However, DNA itself is not a component of a nucleotide but rather a macromolecule that is made up of many nucleotides joined together through phosphodiester bonds.

The value of a stock increases 1423 points twice in one week. The other three days the value decreases by 10 points, 813 points, and 1223 points. By how many points did the value of the stock change that week?

Answers

Answer: By [tex]800\ points[/tex]

Explanation:

You need to analize the information provided in the exercise.

You know that:

1. The value of a stock increases 1,423 points twice in one week. This indicates that you must multiply 1,423 points by 2:

[tex](1,423\ points)(2)=2,846\ points[/tex]

2. The other three days the value decreases by 10 points, 813 points, and 1,223 points. So you need to find the sum. This is:

[tex]10\ points+813\ points+1,223\ points=2,046\ points[/tex]

Finally, you need to subtract 2,846 points and 2,046 points in order to calculate by how many points the value of the stock changed that week.

Therefore, the result is:

[tex]2,846\ points-2,046\ points=800\ points[/tex]

Answer:

Answer: By 800 points

what would most likely be included in the "Analysis" section of a lab report

Answers

Answer:

The correct option is "a discussion of any errors in the experimental data"

Explanation:

The analysis section of a lab report describes the critical analysis of the experiments and observations that were carried out. It also describes the defaults in any observational method which they got to know during the experimental method. The analysis section also tells how the experimental and observational methods could be made better. Hence, we can say that the analysis section of a lab report shows discussion of any errors in the experimental data.

The gradual change in species over time

Answers

Answer: Gradualism [GRAJ-oo-uh-liz-uhm] – the theory that all evolution is slow and proceeds at a steady rate over a long period of time

evolution as well?????

Which of the following best characterizes natural selection?
inment in which leaves grew only at the tops of short trees, giraff
A. Faced with an environment in which leaves grew only at the to
responded by growing long necks.
onment where leaves grew only at the
B. Only giraffes with long necks moved into an environment where leaves
tops of short trees.
iraffes that did not eat leaves from the tops of short trees grew shorter
C. The necks of giraffes that did not eat leaves from the tops
lack of exercise.
D. Among a population of giraffes, those with long necks were able to survive better i
environment in which leaves grew only at the tops of short trees.

Answers

The answer is D, because natural selection is when species adapt in order to live. Giraffes with long necks were able to eat more than those with short necks. Which is why they survived better. There long necks are an adaptation created so they can survive.

Final answer:

Option D best characterizes natural selection, as it describes how giraffes with long necks had a survival advantage in accessing food, leading to greater reproductive success and an eventual increase in long-neck traits in the population.

Explanation:

The best characterization of natural selection among the given options is D: Among a population of giraffes, those with long necks were able to survive better in an environment in which leaves grew only at the tops of short trees. Natural selection is a process described by four main concepts:

Heritable variation within a population.

Overproduction of offspring leading to a struggle for existence.

Differential survival and reproduction, meaning individuals that are better adapted to their environment are more likely to survive and reproduce.

Gradual change in traits within the population over generations as advantageous genes increase in frequency.

In the case of giraffes, they once had varying neck lengths. Due to environmental changes such as drier climates and scarcer leaves, giraffes with longer necks had an advantage in reaching food sources. Consequently, these giraffes were more likely to survive and reproduce, passing down the long-neck trait to offspring. Over time, this led to a population dominated by long-necked giraffes, demonstrating evolution through natural selection.

Identify the producers,primary consumers, and secondary consumers in this ecosystem

Answers

Answer:

The producer is the grass and ferns, the primary consumer is caterpillar, grasshopper, and rabbit, secondary consumer is robin

Explanation:

Which conditions are common to all three of the following: genetic drift, the founder principle, and the bottleneck effect? a. in small populations when one genetic trait becomes more common in a population purely by chance b. in small populations and result in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits c. when a small group of organisms only reproduce with each other to create a larger population of organisms d. when the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population

Answers

Answer:

letter b

Explanation:

Final answer:

The conditions common to genetic drift, the founder principle, and the bottleneck effect are small populations, decrease in genetic diversity, and few remaining organisms to rebuild the population.

Explanation:

The conditions that are common to all three genetic drift, the founder principle, and the bottleneck effect are:

In small populations, when one genetic trait becomes more common purely by chance.In small populations, resulting in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits.When the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population.

These conditions lead to changes in the genetic makeup of a population. For example, genetic drift can occur when a few individuals from a larger population colonize a new area, causing a reduction in genetic diversity. The founder principle occurs when a small group of individuals establishes a new population, leading to a decrease in genetic diversity. The bottleneck effect happens when a natural disaster or human activity drastically reduces the size of a population, resulting in a loss of genetic diversity.

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how do organism interactions ensure that energy flows through and ecosystem?

Answers

Answer:

Organisms can be either producers or consumers in terms of energy flow through an ecosystem. A trophic level refers to an organism's place in the food chain.

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Which list below describes the next steps of evaporated water through the water cycle?

A) Condensation, precipitation, runoff, ocean storage
B) Transpiration, condensation, precipitation, ocean storage
C) Precipitation, condensation, runoff, groundwater

It most likely is B or C idk tho

Answers

Answer:

A) Condensation, precipitation, runoff, ocean storage

Explanation:

Water cycle is a natural phenomena by which water from the surface of the earth gets evaporated by the heat of the sun , rises high condenses and precipitates in the form of rain, snowfall etc.  returning the water to the earth.After evaporation from the surface of water bodies and other sources the water vapor rises high where it faces a colder temperature that results in the condensation of water vapor.This combines with dust and forms cloud.As the mass increases. the water precipitates as a result of gravity.This precipitation may be in the form of rain, snow or dew.The water that comes back to the earth's surface is store in oceans and as ground water.Thus, the next steps after evaporation is, condensation, precipitation, runoff and ocean storage.

Why is the destruction of a natural environment a risk to the survival of humans?

Answers

Answer:

Destruction of a natural environment is a big threat to the humanity. With the destruction of forests, the wild life is becoming extinct. Lesser number of trees means more harmful gases to be transferred to the ozone layer. Without the ozone layer, the survival of humans on the Earth will be impossible.

If plant or animals become extinct or endangered from a natural environment, this will mean lesser food for the humans. There will be increased competition for food and other resources.

science homework plz this is 2 grades for some reason ​

Answers

Answer:

So it is saying that Plate tectonics influence earth layers and earth layers influence plate tectonics. Plate tectonics affects minerals and the rock cycle as well as mountain building, and explains earthquakes and volcanoes.

Other Questions
A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of 9.1 m/s. After the collision, the 0.20-kg puck has a speed of 5.5 m/s at an angle of = 53 to the positive x-axis. (a) Determine the velocity of the 0.30-kg puck after the collision, (b) Find the fraction of kinetic energy lost in the collision. A plane is flying within sight of the Gateway Arch in St. Louis, Missouri, at an elevation of 30000 feet. The pilot would like to estimate her distance from Gateway Arch. She finds that the angle of depression to a point on the ground at the arch is 23. Find the distance between the plane and the arch. Round your answer to the nearest foot. (Do not include ft in your answer) Jose's banquet hall charges a one time fee of $100 plus $50 per guest for weddings. Another wedding venue, Palace of Aaron, Charges a one-time fee of $200 in addition to $45 per guest. Letting "g" represent the number of wedding guests, Write an algebraic expression to represent the cost of renting each of the banquet halls.(First part)(Second part)At how many wedding guests is the cost the same for both venues? Show your work. If y varies inversely as the square of x and y=2 when x=4.Find x when y=4/5 Channel proteins are selective. Each channel protein has a structure that permits only a particular type of ion or small molecule to pass through it. To what does the term gated channel refer? Which way does the coriolis effect deflect wind in the northern hemisphere An astronomer has proposed a new theory about the evolution of the universe. What is the next step that the astronomer should take to make his theory reliable? A.allow other scientists to repeat the experiments to verify the results B. publish the theory in a science magazine to let people know about it C.discuss the theory on television to make it popular D. explain the theory with models to make it more interesting A taste receptor is sensitive to dissolved chemicals but not to pressure or photons because______________.a. the neuron resting membrane potential varies depending on the receptorb. each receptor type exhibits receptorspecificityc. the other stimuli only interact with taste receptors at higher voltagesd. none of the above Lewiss tone is complex. He moves between straightforward analysis and raw emotion, yet he is rarely ambivalent about his topic or position. How would you describe his tone? Characterize the tone as a phrase rather than a single word Elsa is taking physical fitness tests in her strength training class. Each day, her results are compared to her results from previous days. The first day she completes a test is considered the baseline and is represented by 0. For instance, on the first day she did the flexibility test, her result was calculated as 0. On the second day, in comparison to her first day's result, she was able to reach 1/16inches less than the first day, which was recorded as - 1/16. Then, on the third day, Elsa recorded a result of -5/8.A. On which day did Elsa reach farther: the second or third day?B. By how much?HELP ME D: ts Graph the line whose x-intercept is 5 and whose y-intercept is 3 Which of the following can seize and liquidate property within the United States of any foreign individual, entity, or country who is suspected of planning, authorizing, aiding, or engaging in an attack?A. the Supreme CourtB. the President or his/her designeeC. the Governor of that particular stateD. the police commissioner Why should you reward yourself for your accomplishments?OA. Nothing is worth doing unless there's a reward at the end.OB. To keep yourself motivated and take good care of yourself.OC. Without rewards, you'll probably forget why you set your goals.OD. All of the above. Which component is a protein fiber of the extracellular matrix? Pentecostal preachers resemble shamans in that they will enter altered states of consciousness to contact the supernatural, in this case, God, as a part of a healing ritual. True or False? Find a quadratic function that includes the set of values below.(0,9). (2,15) (3,12) PLEASE HELP ME I dont know the answer A high-wire walker always attempts to keep his center of mass (com) over the wire (or rope). He normally carries a long, heavy pole to help: If he leans, say, to his right (his com moves to the right) and is in danger of rotating around the wire, he moves the pole to his left (its com moves to the left) to slow the rotation and allow himself time to adjust his balance. Assume that the walker has a mass of 71.0 kg and a rotational inertia of 14.0 kg m about the wire. What is the magnitude of his angular acceleration about the wire if his com is 5.0 cm to the right of the wire under the following conditions?(a) he carries no pole and (b) the 14.0 kg pole he carries has its com 10 cm to the left of the wire? Which of the following has the greatest impact on your cash flow? A farmer packed 3 pints of strawberries every 4 minutes. In the afternoon she packed 2 pints of strawberries every 3 minutes. What was the difference between her morning and afternoon packing rates in pints per hour?