Answer:
Specie diversity
Explanation:
Let's understand each option to get to know that why specie diversity is the right option.
1- Ecosystem diversity shows that how different types of habitats there can be where the organisms can live, for example desert ecosystem, tundra ecosystem etc.
2-Genetic diversity means the diversity or variety present in the genetic makeup of organisms which leads to variation among same traits in organisms, for example, many types of eye color, many kinds of facial feature, height ranges etc.
3- Natural selection is based on a theory that there lies a competition of food and resources between organisms for survival. One who has better ability to grab resources survives better and is called fittest.
4- Specie diversity simply indicates that how many diverse kinds of specie or populations can stay at same habitat or ecosystem which perfectly suits our given situation in question.
Hope it helps!
Answer:
species diversity
Explanation:
Which of the following is not a reason that oceans are important to life on Earth?
source of fossil fuels
part of the water cycle
moderate climate
source of biodiversity
The climate type and organisms that live in a particular place combine into an ecological classification known as a/an
climate zone
biosphere
ecosystem
biome
Answer:
biome
Explanation:
The climate type and organisms that live in a particular place combine into an ecological classification known as a biome.
earths seasons are caused by its
Answer: Earth's seasons are caused by it's tilt on it's axis :)
Explanation:
Write a short paragraph to explain why the sugar could get through the membrane, but the starch could not?
Answer:
Selective permeability. When many glucose molecules combine they form one large molecule called starch. Due to starch being a larch molecules they have difficulty passing through the membrane. Glucose molecules are smaller in size therefore they can pass easily through the membrane.
Explanation:
Selective permeability the the process whereby the cell membrane allows for selective molecules to pass through its membrane, in order to obtain internal equilibrium.
In the DNA double helix, how are the two strands of DNA held together?
Answer:
Option D
Explanation:
The DNA strands are composed of nucleotides which consists of sugar, phosphate and nitrogenous bases. The base pairs of one DNA starnd bind to the base pair of other DNA strand. The nitrogenous bases in the two strands of DNA make pairs such as A binds with T and C binds with G.
These base pairs are held together by the hydrogen bonds which are weak molecular forces.
Hence, option D is correct
The eyes project images onto the retina upside down.
True
False
Answer:
True
Explanation:
The eyes project images onto the retina upside down.
Answer:
True
Explanation:
Which of the following is not a main characteristic of
minerals?
Answer:
Man-Made
Explanation:
it be like that sometimes...
2. Which kind of nutrients cycle through the atmosphere?
Answer:
Nutrient cycle is a process of movement, reuse or recycling of nutrients in that particular environment. They are for both living and nonliving things, elements like carbon, oxygen are recycled through such cycles.
Nutrient cycle in an ecosystem involve:
carbon cyclenitrogen cycleoxygen cyclephosphorus cycle
In North America, what is the largest biome present?
A. Tundra
B. Savanna
C. Steppe
D. Taiga
In North America, Taiga is the largest biome present. The correct option is D.
The largest biome in North America is the taiga, sometimes referred to as the boreal forest.
It stretches into parts of the United States, including the northern regions of Minnesota, Wisconsin, and Michigan, as well as the northern parts of Canada, including Alaska.
Large tracts of coniferous woods, including spruce, fir, and pine trees, are what give the taiga its name. It has short, chilly summers and lengthy, harsh winters with average precipitation.
Numerous types of birds as well as bears, wolves, moose, and other animals can be found in the taiga biome.
Thus, the correct option is D.
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You go for a run and breathe heavily for an extended amount of time. How is this affecting your pH levels?
Answer:
You lose your pH levels because your heavy breathing is creating more CO2.
Explanation:
Answer:
It decreases pH
Explanation:
Alveolar hyperventilation leads to a decreased partial pressure of arterial carbon dioxide (PaCO2). The decrease in bicarbonate is accompanied by the deviation of serum pH below 7.35.
It is called Respiratory Acidosis. It´s blood pH imbalances. Muscle fatigue is associated with a rapid increase in the production of metabolic acids. Tolerance to high intensity exercise may be limited by the body's ability to dampen the decrease in intracellular (muscle) and extracellular (blood) pH, that is, the intrinsic buffer system.
Which of these is a consequence of over fertilization?
A. runoff
B. mitosis
C. decalcification
Answer:
A. runoff
Explanation:
Runoff is a consequence of over fertilization.
This can be dangerous because it could cause the Mother and the babies to get disabilities or die.
Data courtesy of World Bank 2004
According to the chart above, sub-Saharan Africa has the highest number of teen mothers. Which of the following
statements best explains why younger motherhood is more common in African countries?
A Women are less likely to experience poverty in developing African countries.
B. Women are more likely to have a high socioeconomic status in developing African countries.
Women are more likely to increase their socioeconomic status if they marry early in developing
African countries
D. Women have fewer educational and economic opportunities in developing African countries
Please select the best answer from the choices provided
О А
B
о с
OD
Mark this and return
Save and Exit
Submit
Answer:
Women have fewer educational and economic opportunities in developing African countries.
Explanation:
Which of the following crime scene search patterns has investigators start from a center area and move outward? A. strip method B. grid method C. zone method D. wheel method
Answer:
D. wheel method
Explanation:
Just like any other job, planning out is a vital step involved in criminal investigation cases. Solving a crime case requires alot of attention to details to preserve the evidences and to take best step onwards. Several methods are used by law enforcement agencies which use six crime scene search patterns including Line method, Grid method, Zone method , Spiral method, Wheel method and Strip method respectively.
In wheel method,many crime scene searchers and personnel are involved.In this method, every searcher or employ Starts from the middle of an imaginary circle and moves out from the direction of the center to outwards just like spokes of a bicycle wheel. Although it is a reliable method of crime scene investigation but still evidences can be destroyed from the center of the area therefore extreme caution should be taken while searchers are entering in the hub of the area.
Hope it helps!
The wheel method, or radial method, is the crime scene search pattern in which investigators start from a center area and move outward.
Explanation:The search pattern at a crime scene where investigators start from a center area and move outward is referred to as the wheel or radial method (option D). This method involves starting from a central point and moving outward like the spokes on a wheel. It is particularly effective for small, circular crime scenes but could be adapted to other shape areas as well. Remember, the selection of the search method depends upon the nature and location of the crime scene, as different methods have different advantages.
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Sperm are the only human cells to have _____.
cilia
mitochondria
flagella
lysosomes
Answer:
The answer is flagella
Explanation:
Answer:
cilia
Explanation:
HELPPPPP
Which of the following are the functions of the integumentary system?
Blood cell production in soft marrow tissues and mineral reserves
Largest organ of the body for protection and body temperature regulation
Vitamin D production and pumping blood through vessels
Voluntary movement and contractile movement
Answer:
C. The largest organ of the body for protection and body temperature regulation.
Blood cell production in soft marrow tissues and mineral reserves occurs in the bones. This means that this is the skeletal system.
Largest organ of the body for protection and body temperature regulation is done by they skin. Skin protects internal organs from bactiria or pathogens from getting inside the body. The skin also sweats to keep the body at a constent temperatrue. Skin is part of the integumentary system
Vitamin D production and pumping blood through vessels occurs in the heart/veins which are part of the cardiovascular system.
Voluntary movement and contractile movement is done by our muscles, making this par of the muscular system.
The only possible answer is: Largest organ of the body for protection and body temperature regulation
Hope this helped!
~Just a girl in love with Shawn Mendes
DNA: TAC CGT TTT CTT ATT TAC ATA ACT CTG CGA ATG
mRNA: AUG GCA AAA GAA UAA
Answer:
rest of the mRNA sequence- AUG UAU UGC GAC GCT UAC
Explanation:
T becomes A
A becomes U
C becomes G
G becomes C
Hope this helps. Good luck ^-^
Answer:
Is this a question or?
Explanation:
Which is biotic?
wind
iron gate
sunlight
dead leaf
Answer:
The answer is "dead leaf."
Explanation:
Although dead leaves are no longer alive, they were considered as once part of a living entity. Therefore, dead leaves are biotic factors. Wind, iron gates, and sunlight are not biotic components because they are the non-living parts of the environment that influence biotic factors. Hope this helps.
Biotic factors include plants, animals, fungi, algae, and bacteria.
its not wind that would be Abiotic
and its not sunlight thats also abiotic
an iron thing is not a living thing either so thats not the awnser so Its D. dead leaf because even though its dead its the closest thing to a biotic
what is the type of mutation?
Well,
There are different types of genetic mutations,
Nonsense mutationMissence mutation InsertionDuplicationDeletionFrameshift mutationRepeat expansionHope this helps.
r3t40
What the hec I need helping
Answer:
The cell enters the interphase stage after completing the cell cycle. This stage is considered to be “resting” stage because the cell is at full maturity however, this accusation is incorrect. The cell enters the interphase stage instead and prepares to enter into mitosis.
Explanation:
interphase
which Statement correctly describes why cells are so small? a) when cells are small the movement of food and waste can be efficiently handled by the cell membrane b) when cells are small they can adapt their shape more easily to fulfill their specific function c) when cells are small their internal parts can better support the cell membrane d) when cells are small they can easily work together to form tissue
Answer:
a) when cells are small the movement of food and waste can be efficiently handled by the cell membrane
Explanation:
Cells need to get their nutrients and waste in and out of their cell membrane every quickly. Cells are hard workers anyway! The other options also don't make much sense. The cell shape doesn't mean much to their function, and size doesn't impact shape. The cell's internal parts (mitochondria, vacuole, etc) don't support the cell membrane, they have their own functions to focus on. Cells don't work together in tissue but they can interact with each other when needed.
Answer:
The statement (a) correctly describes that why cells are so small.
Explanation:
Cells are formed of cytoplasm enveloped by a phospholipid bilayer. In the cells of plants, a supplementary cell wall also prevails. The cytoplasm accommodates various metabolic activities that need a spontaneous supply of nutrients. During the same time, metabolic wastes originate from these reactions, which are required to be eradicated. All this uptake and discard of nutrients and waste components occurs by mediation across the cell membrane via passive, active, or facilitated transport.
In the absence of any circulatory system, these cells depend entirely on the process of diffusion through the membrane. The brisk interchange of molecules can only take place if diffusion occurs over brief distances. Thus, this rate of uptake of nutrients within the cells and discarding of wastes into the external surroundings hugely relies upon the cell surface, which is restricted by the cell membrane. Thus, surface area of the cell is one of the limiting factors to monitor the rates of diffusion of these molecules. Therefore, when the cells are small, their wastes and food can be handled effectively by the cell membrane.
Select the part of the ATP molecule that stores
and releases energy?
A
B
C
D
Answer:
B
Explanation:
B is the part of the ATP molecule that stores and releases energy.
Answer:
The answer is "B".
Hope this helps!!! :)
1. Which statement describes a species that is at carrying capacity?
A The number of births equals the number of deaths.
B The number of births is greater than the number of deaths.
C The number of births in one species exceeds the number of deaths in
another.
D The number of births is less than the number of deaths.
Answer: A. The number of births equals the number of deaths.
Explanation: The carrying capacity of a specific species within a particular environment, is the maximum population of the species that can be sustained by the environment without harming the environment. The population will fluctuate about this line or point. A greater number of births than deaths will increase the population. A greater number of deaths than births will decrease the population.
Which generation showed the greatest frequency of having one of each allele?
Answer:
first generation
Explanation:
they first generation shows these
Answer:
The answer is: The first generation.
Explanation:
In genetics the allelic frequency or gene frequency is the proportion observed of a specific allele with respect to the set of those who can occupy a given locus in the population.
If the frequencies remain constant from one generation to the next, the population is not experiencing evolutionary change, and is said to be in gene equilibrium.
Mendel's first law: Law of the uniformity of the hybrids of the first generation, and says that when two varieties of purebred individuals are crossed, both homozygous, for a given character, all the hybrids of the first generation are equal.
The answer is: The first generation.
Which of these is associated with El Niño?
O
A. Below-average sea levels
O
B. A periodic warming of sea surface temperatures
O
c. Below-average sea surface temperatures
O
D. Periodic rises in carbon dioxide levels
SUBMIT
Answer
CORRECT ANSWER ► B
B- A periodic warming sea surface temperatures
☺☺☺
El Niño is associated with a periodic warming of sea surface temperatures, which is part of the short-term, worldwide climate event known as the El Niño-Southern Oscillation (ENSO). Hence, the correct option is B.
El Niño is a short-term, worldwide climate change event marked by the warming of the Pacific Ocean. This is an aspect of the El Niño-Southern Oscillation (ENSO) that affects weather patterns around the globe. During El Niño, typical weather patterns are disrupted, leading to significant effects such as increased rainfall in normally dry regions and diminished fish populations due to the warmer, nutrient-poor waters.
Coastal upwelling normally brings cold, nutrient-rich waters to the surface, but this is inhibited during El Niño events, deepening the thermocline and preventing the normally productive waters from supporting large fish populations. Moreover, ENSO events have a cyclical nature, typically occurring every two to seven years and can influence global temperatures and precipitation patterns.
How have scientific advancements led to an increase in food safety? a. improved preservation techniques b. improved monitoring techniques c. improved processing techniques d. all of the above Please select the best answer from the choices provided
Improved preservation techniques, improved monitoring techniques, and improved processing techniques this scientific advancements led to an increase in food safety, hence option D is correct.
What is food safety?Hazard detection includes new technologies for energy efficiency and waste reduction, an increase in food safety.
The conditions that need to be met in order to keep our food safe, and the detection of hazards, such as that image of the hurricane that allows us to see if and when that storm is coming.
Food safety is the practice of handling, preparing, and storing food in a way that reduces the risk of food-borne disease and injury.
Therefore, food products may come into contact with a variety of health risks as they move through the supply chain from field to factory to fork.
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Answer:
D: all of the above
Explanation:
Scientific advancements have led to an increase in food safety by improving preservation, monitoring, and processing techniques.
Improved preservation techniques, such as refrigeration, freezing, canning, and drying, help to slow or stop the growth of microorganisms that can cause foodborne illness.
Improved monitoring techniques, such as DNA-based testing, have made it easier to identify and track foodborne pathogens, allowing for quicker and more targeted responses to outbreaks.
Improved processing techniques, such as pasteurization and irradiation, have been developed to kill or remove harmful bacteria and other microorganisms from food products.
Overall, these advancements in science and technology have led to a safer food supply, reducing the risk of foodborne illness and increasing public health.
E23 verified.
Which of the following is not responsible for driving deep ocean circulation?
winds
density
temperature
salinity
Answer:
Winds
Explanation:
Winds only act on oceans surfaces. The winds move the upper layers of ocean waters due to drag as they blow in the atmosphere. They are the reason for waves. However, the effects of winds cannot be felt in deep oceans where much of the movement is dependent on variable densities of ocean currents (due to differences in temperatures and salinity levels).
Answer:
Density Difference
Explanation:
I just took it
Use the drop-down menus to identify the spheres to which each part belongs.
A lake is part of the
Water vapor in the air is part of the
Glaciers and icebergs are part of the
The Rocky Mountains are part of the
A deer is part of the
Answer:
A lake is part of the
hydrosphere
Water vapor in the air is part of the
atmosphere
Glaciers and icebergs are part of the
cryosphere
The Rocky Mountains are part of the
geosphere
A deer is part of the
biosphere
Explanation:
I just answered this question in edge 2020
Answer:
-hydrosphere
-atmosphere
-cryosphere
-geosphere
-biosphere
Explanation:
where did earths water come from
Answer:
Two rocky material collision cause water formation
Explanation:
Earth is rich in water, and has been for a few billion years, but scientists are still debating just where all that life-sustaining liquid came from. At least some of it was thought to have been brought here by comets or asteroids, but that idea still falls short in explaining how so much water ended up on Earth’s surface – and deep below, as well. Now, a team of scientists at Arizona State University (ASU), led by Peter Buseck, has come up with a new proposal. The new peer-reviewed paper was published in the Journal of Geophysical Research: Planets on October 9, 2018.
The new research suggests that Earth’s water came from both rocky material, such as asteroids, and from the vast cloud of dust and gas remaining after the sun’s formation, called the solar nebula.
The 2019 lunar calendars are here! Order yours before they’re gone. Makes a great gift.
Earth’s ocean water is similar to that found in asteroids. That’s one reason scientists have long thought that most earthly water came from an asteroid bombardment in the days of the early solar system. The ratio of deuterium – a heavier hydrogen isotope – to normal hydrogen is a unique chemical signature in various water sources. In the case of Earth’s oceans, the deuterium-to-hydrogen ratio is close to what is found in asteroids. But, according to Steven Desch, also at ASU and one of the team members:
Answer:
The inside-out model proposes that the Earth formed with trace amounts of water structurally bonded to the minerals in the mantle. This water makes its way to the Earth’s surface through volcanic processes.
Explanation:
Along a mid-ocean ridge, rocks _____ moving away from the ridge.
A. become older
B. become younger
C. remain the same age
Answer:
A. become older
Explanation:
A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.They technically would be old rocks because once the lava dries out it will spew out new rock, pushing away the older rock.
Pyruvic acid enters the ____ and is first converted into____.
A. Mitochondria; acetyl CoA
B. Karen’s cycle; acetyl CoA
Pyruvic acid enters the Karen's cycle and is first converted into acetyl CoA.
Karen's cycle
The Karen's cycle refers to the citric acid cycle which is a cycle that releases stored energy.
Pyruvic acid is transported into the mitochondria, where it is converted into acetyl CoA via the enzyme pyruvate dehydrogenase. This step precedes the Krebs cycle, where acetyl CoA is further broken down to generate energy.
Explanation:Pyruvic acid enters the mitochondria and is first converted into acetyl CoA. This process occurs in the mitochondrial matrix where the enzyme pyruvate dehydrogenase catalyzes the conversion of pyruvate into acetyl CoA, releasing a molecule of carbon dioxide and forming NADH from NAD+ in a reaction known as oxidative decarboxylation. After its formation, acetyl CoA then enters the Krebs cycle, also known as the citric acid cycle or tricarboxylic acid (TCA) cycle, where it is metabolized to produce ATP, NADH, and FADH2.
The three-carbon pyruvate molecule generated during glycolysis moves from the cytoplasm into the mitochondrial matrix, where it is converted by the enzyme pyruvate dehydrogenase into a two-carbon acetyl Coenzyme A (acetyl CoA) molecule. This reaction is an oxidative decarboxylation reaction. It converts the three-carbon pyruvate into a two-carbon acetyl CoA molecule, releasing carbon dioxide and transferring two electrons that combine with NAD* to form NADH. Acetyl CoA enters the Krebs cycle by combining with a four-carbon molecule, oxaloacetate, to form the six-carbon molecule citrate, or citric acid, at the same time releasing the coenzyme A molecule.