Answer:
A major disturbance that the ecosystem was able to recover completely from the grasses which is diseased.
Explanation:
If the grasses were diseased, the ecosystem will recover itself from this type of disturbance. If the population of snakes and hawks increases so the ecosystem will recover itself from this disturbance because snakes are the food of hawks so if the population of snakes increases so more food is available for hawks in the form of snakes and that's why population of hawks also increases and the population of snakes is controlled.
The disease outbreak among the trees, the ecosystem rebounded as new, disease-resistant tree variants grew and replaced the affected ones When the snakes and the grass became diseased, the ecosystem collapsed, as these key components couldn't support the food chain.
During the experiment, various changes were made to the ecosystem, leading to different outcomes:
A major disturbance that the ecosystem was able to recover completely from:
After an initial disturbance, where the trees experienced a disease outbreak, the ecosystem managed to recover entirely.
Over time, the tree population gradually shifted towards disease-resistant variants, leading to a balanced and healthy tree community that eventually restored the ecosystem's equilibrium.
A major disturbance that caused the ecosystem to collapse entirely:
The ecosystem suffered a catastrophic collapse when both the snake and grass populations became diseased.
Snakes play a crucial role in maintaining the herbivore population, and the grass serves as the primary food source for herbivores.
With these key components failing, the entire food chain collapsed, leading to an irreversible loss of biodiversity and ecosystem function.
A major disturbance that caused the ecosystem to stabilize at a new equilibrium:
An increase in the snake and hawk populations disrupted the ecosystem's balance initially.
However, after a period of adjustment, the predator-prey relationship reached a new equilibrium.
The increase in snakes led to reduced herbivore numbers, which, in turn, impacted the grass population.
This new balance ultimately stabilized, with snakes and hawks coexisting in harmony with their prey.
A major disturbance that caused the ecosystem to completely collapse:
The ecosystem suffered a catastrophic collapse when the grass population became diseased.
As grass serves as the foundation of the food chain, its deterioration led to the collapse of herbivores, predators, and ultimately the entire ecosystem.
A major disturbance that almost caused a total collapse but eventually recovered:
Initially, a reduction in herbivores nearly caused a collapse by impacting the grass population.
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The chloroplast functions in
lipid storage
protein synthesis
photosynthesis
DNA replication
Answer:
photosynthesis
Explanation:
chloroplasts has chlorophyll is essential for photosynthesis the process in which plants make food
The Earth is populated mostly by unicellular organisms, such as bacteria. However, there are many multicellular organisms as wel
Which of the following is a multicellular organism?
A
flower
B
human
C
all of these
Answer:
all of these
Explanation:
A flower, a human, and an insect are all examples of multicellular organisms, so the correct answer is all of these.
In this lesson, you learned about an analogy between parts of our society and some organelles. Now, your job is to come up with an analogy between organelles and a school. Be sure your analogy contains a comparison between four organelles and four parts of a school. Additionally, your response should include an explanation as to why the analogy works for that particular organelle. The analogy has been started for you below.
In comparing a school to a cell, the main office would be like nucleus because this is where the information is stored and it functions as a "control center" for the school.
1. Membrane, maybe a fence around your school or the walls as it is physical barrier between the cells internal environment and the outside.
2. Chloroplast, cafeteria, it generates food for the cell.
3. Rough endoplasmic reticulum, corridors, it transports proteins.
4. Lysosome, trash can, gets rid of old parts of the cell
Which activities are included in the management of water resources? Check all that apply.
planning how to transport water
using technology to purify water
studying the composition of water
building structures to store water
determining the selling price of water
Answer:
Well, Your best answer will be is Planning how to transport water, Using technology to purify water, And Building structures to store water. Good Luck!
The activities included in the management of the water resources are:
transportpurificationstorage What does water resources management mean?The expression "water resources management" indicates the activities aimed at handling water for consumption.
The management of the water resources is a fundamental issue to control the quality of water.The management of water is also crucial for achieving acceptable levels of this element.In conclusion, the activities included in the management of water resources are planning how to transport water, using technology to purify water and building structures to store water.
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How do animals and plants depend on one another and on nonliving things in a tropical rainforest ecosystem?
Answer:
By consuming
Explanation:
When something is eaten, it sends energy to the other organism
The transfer of pollen from the stamens to the pistil of a flower begins the process of which of the following?
A. Germination
B. Oxidation
C. Fertilization
D. Transpiration
Answer: Fertilization
Explanation:
When calculating population growth
and reproductive potential, which will
make the biggest impact?
A. The organism's mass
B. How soon the organism is able to reproduce
C. How often the animal is able to reproduce
D. How many offspring it produces
10/31
Answer:
B. How soon the organism is able to reproduce.
Which of these provides evidence from developmental blology of a shared evolutionary history?
a. the dna sequences of the cytochrome c genes in chimpanzees and spider monkeys are over 90% identical
b. the skeletal structure of a leg of a horse and a flipper of a whale are very similar
c. both snakes and dogs have pelvical bones even though they are vestigial structures of the snake
d. both lobsters and frogs go through metamorphosis as a process in their life cycle
Answer:
b
Explanation:
The evidence from developmental blology of a shared evolutionary history is both snakes and dogs have pelvical bones even though they are vestigial structures of the snake and the correct option is option C.
Snakes and dogs belong to different evolutionary lineages, yet both possess pelvical bones, which are vestigial structures in snakes. The presence of these bones in both species suggests a shared ancestry and evolutionary history.
This indicates that their ancestors once had functional pelvic structures, but over time, snakes lost the need for them and they became reduced and non-functional.
The presence of vestigial structures in different species indicates a common ancestor with a shared developmental pathway, supporting the idea of shared evolutionary history.
Thus, the ideal selection is option C.
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15 POINTS Imagine that you are playing in a basketball game. Write 3-5 sentences
describing different forces observed during the game. Remember, any time an
object's motion changes, there must be some kind of force acting on it.
Answer:
A friction force occurs in the shoes that are played and the floor of the court.When the ball spins, a centripetal force occurs that prevents the ball from moving away from the center of its rectilinear motion. The weight force allows the ball to fall back to the ground because without it it would be suspended in the air, it would not bounce, which would make basketball an impossible game.How does the body’s response to endocrine regulation differ from its response to nervous regulation?
Answer:
.
Explanation:
Endocrine system uses chemical signaling (slow)
Nervous system uses electrical signaling (fasr)
Which of the following accurately describes a cause for a change in blood flow?
•Consistent exercise strengthen the heart so that it doesn't have to work as hard so blood pressure is
increased.
•The walls of blood vessels lose elasticity causing resistance which increases blood pressure.
•A disease causes an increases blood viscosity which in turn increase the speed of blood flow.
•An accident causes excessive bleeding that leads to a decrease in blood fluid volume and high blood
pressure.
Answer: B The walls of blood vessels lose elasticity
Explanation: This usually happens with arthrosclerosis.
Final answer:
Several factors can cause a change in blood flow, including consistent exercise, loss of elasticity in blood vessel walls, increased blood viscosity due to disease, and excessive bleeding.
Explanation:
Blood flow is the movement of blood through a vessel, tissue, or organ. The slowing or blocking of blood flow is called resistance. Blood pressure is the force that blood exerts upon the walls of the blood vessels or chambers of the heart. There are several factors that can cause a change in blood flow. For example, consistent exercise can strengthen the heart so that it doesn't have to work as hard, resulting in increased blood pressure. The walls of blood vessels losing elasticity can cause resistance and increase blood pressure. A disease can cause an increase in blood viscosity, which in turn increases the speed of blood flow. Lastly, an accident causing excessive bleeding can lead to a decrease in blood fluid volume and high blood pressure.
Asexual reproduction involves...
A) two parents and results in offspring that are different from both parents.
B) only one parent and results in offspring that are very different from the parent.
C)only one parent and results in offspring that are identical to the parent.
D)two parents and results in offspring that are identical to one parent.
Answer:
c
Explanation:
C)only one parent and results in offspring that are identical to the parent.
Final answer:
Asexual reproduction involves a single parent and produces offspring that are genetically identical to the parent, through processes like binary fission.
Explanation:
Asexual reproduction involves a single parent. It results in offspring that are genetically identical to each other and to the parent. This form of reproduction can occur in various organisms, including all prokaryotes and some eukaryotes. Different methods of asexual reproduction include binary fission, fragmentation, and budding, with binary fission being a process where a parent cell splits into two identical daughter cells.
Therefore, the answer to the student's question is C) only one parent and results in offspring that are identical to the parent.
What’s the answer to this earth science question?
Note that the evidence shown on the map that indicates point B is most likely experiencing precipitation is the front represented by the line with bumps moving from low to high pressure.
On the map, the indication that point B is likely experiencing precipitation is the presence of a front represented by a line with bumps moving from low to high pressure.
This front typically denotes a transition zone where warm and cold air masses meet, leading to atmospheric instability and potential precipitation. As the front advances, it often brings changes in weather conditions, including cloud formation, rainfall, or other forms of precipitation, affecting areas along its path such as point B.
Wild hogs introduced to Texas from Europe became feral after the
hogs escaped from the ranches where they lived. Feral hogs are omnivores
that feed on native plants, crops, and small animals. Feral hogs can damage
an ecosystem by rooting through the soil to look for food and trampling
small plants. Which types of native organisms do feral hogs most likely
compete with for food sources?
Mark only one oval.
1)Carnivores and producers
2)Herbivores and carnivores
3)Producers and decomposers
4)Decomposers and herbivores
Answer:
2)Herbivores and carnivores
Explanation:
Because it feeds on small animals and plants.
Answer:
2) Herbivores and carnivores
Explanation:
Feral hogs are omnivores that feed on a variety of sources including native plants, crops, and small animals. Therefore, they compete with both herbivores and carnivores for food sources.Feral hogs can cause significant damage to an ecosystem by rooting through the soil and trampling small plants. They can also disturb the soil and contribute to erosion. Feral hogs have become a major problem in many parts of the United States, including Texas.
Really late
___________________________________, and _______________________________ are a few other terms that are also often used to refer to plant biotechnology.
(Please hurry)
Answer:
Explanation:
tissue culture and mutational breeding
What are three ways body systems work together to maintain homeostasis?
Answer:
Each organ system performs specific functions for the body, and each organ system is typically studied independently. However, the organ systems also work together to help the body maintain homeostasis.
For example, the cardiovascular, urinary, and lymphatic systems all help the body control water balance. The cardiovascular and lymphatic systems transport fluids throughout the body and help sense both solute and water levels and regulate pressure. If the water level gets too high, the urinary system produces more dilute urine (urine with a higher water content) to help eliminate the excess water. If the water level gets too low, more concentrated urine is produced so that water is conserved. The digestive system also plays a role with variable water absorption. Water can be lost through the integumentary and respiratory systems, but that loss is not directly involved in maintaining body fluids and is usually associated with other homeostatic mechanisms.
Similarly, the cardiovascular, integumentary, respiratory, and muscular systems work together to help the body maintain a stable internal temperature. If body temperature rises, blood vessels in the skin dilate, allowing more blood to flow near the skin’s surface. This allows heat to dissipate through the skin and into the surrounding air. The skin may also produce sweat if the body gets too hot; when the sweat evaporates, it helps to cool the body. Rapid breathing can also help the body eliminate excess heat. Together, these responses to increased body temperature explain why you sweat, pant, and become red in the face when you exercise hard. (Heavy breathing during exercise is also one way the body gets more oxygen to your muscles, and gets rid of the extra carbon dioxide produced by the muscles.)
ANSWER ASAP PLZ!!!
What is the end result of using a technique known as polymerase chain reaction
is it B,C, OR D???
The answer is C; Many copies of a DNA Fragment
The specific DNA sequence has been doubled. This cycle of Denature-Anneal-Extend is repeated, usually about 35 times, by using a thermocycler over 2-3 hours (the "chain reaction" of PCR). This produces 34,359,738,368 copies of DNA (That's 2^35)!
PCR is a technique used which is used to amplify DNA so, many copies of a DNA fragment will get as a end result of using PCR.
What is DNA?DNA stands for deoxyribose nucleic acid.It is a self-replicating substance that makes up the majority of chromosomes in practically all living creatures. It carries genetic information of living beings.What is PCR polymerase chain reaction?Kary B. Mullis, an American scientist, invented PCR in 1983.The polymerase chain reaction (PCR) is a laboratory technique used for rapidly amplifying millions to billions of copies of a single DNA region.PCR entails selecting a portion of the genome to be amplified using short synthetic DNA fragments called primers, followed by several rounds of DNA synthesis to amplify that segment.Amplification is accomplished by a three-step process:-Denaturation is the process of heating double-stranded DNA templates to separate the strands at 95°C.Annealing is the process of short DNA molecules called primers binding to flanking regions of target DNA at 55°C.Extension is the process of DNA polymerase extending the 3′ end of each primer along the template strands at 72°C.These processes are performed 25–35 times to make precise copies of the target DNA exponentially.
Hence, the correct option is D.
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Describe the relationship between the sickle cell phenotype and hemoglobins structure and function.
Answer:
It would be harder for the hemoglobin to move oxygen throughout the body because of how sickle cell looks/ its structure.
Sickle cell is a red blood cell but looks like a hook (in my opinion) while red blood cells are typically round, making them easier to transport in veins. due to the shape, it is harder for the blood to be transported.
Explanation:
Use the passage to answer the question: What kind of relationship can be found between the clams and the shrimp?
Captionless Image
Question 5 options:
parasitism
predation
competition
commensalism
mutualism
Answer:
mutualism
Explanation:
What part of a flower forms a fruit?
a.Stamen
b.Anther
c.Stigma
d.Ovary
Answer:
d.Ovary
Explanation:
The part of the stamen where pollen is produced. Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma. The mature ovary is a fruit, and the mature ovule is a seed.
A field study on tomato growth has two groups. One receives fertilizer A, and one receives no added
fertilizer. Each group has ten tomato plants. The researchers set up five plots, each with the same planting
positions and same numbers per group.
What is the sample size in this study?
DONE
How many replications of the study are done?
DONE
When doing final statistics on the study, how many tomato plants can be analyzed for each group?
DONE
Answer: 10, 5, 50
Explanation:
The sample size in this study is 20 (10 tomato plants in the group receiving fertilizer A and 10 in the group without added fertilizer).
Five replications of the study are done.
For final statistics, a total of 20 tomato plants can be analyzed for each group.
In this field study on tomato growth, we have two groups: one receiving fertilizer A and another receiving no added fertilizer. Each group consists of ten tomato plants.
Sample Size:
The total number of tomato plants in both groups is
10+10=20. Therefore, the sample size in this study is 20.
Replications:
The researchers set up five plots, each with the same planting positions and the same number of plants per group.
Each plot represents a replication of the study.
Plants Analyzed for Each Group during Final Statistics:
For each group, there are a total of ten tomato plants.
Therefore, during final statistics, ten tomato plants can be analyzed for each group.
In summary, the sample size is 20 (representing the total number of tomato plants), there are five replications of the study (each in a different plot), and for final statistics, ten tomato plants from each group (fertilizer A and no added fertilizer) can be analyzed.
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Which is NOT something shown in the diagram below?
A. convection
B. a local wind
C. a land breeze
D. a region of high pressure
Answer:
C
Explanation:
Which of these fields of scientific study involves investigating the physical
processes that occur within Earth?
O
A. Geophysics
O
B. Meteorology
O
c. Geography
O
D. Biology
Final answer:
Option A. Geophysics is the field of study that investigates the physical processes within Earth, using principles of physics to study the planet's interior and phenomena such as seismic waves and magnetic fields.
Explanation:
The field of scientific study that involves investigating the physical processes that occur within Earth is Geophysics. This field applies principles of physics to study the Earth's interior and includes the investigation of seismic waves, magnetic fields, and gravity. Geophysics is a branch of earth science alongside others, such as geomorphology, oceanography, and climatology, which fall under the broader category of geography. Other branches of science include physiology, which is the study of the function of an animal's or a plant's body, and agriculture, which deals with the cultivation of plants and raising animals for food, fiber, and other products.
Which element or elements in the periodic table are most similar to the reactivity to chlorine
All of these are reasons why viruses make good carriers for gene therapy,except
A)viruses are very good at targeting specific cells
B)viruses already have the methods to bypass the host immune system
C) viruses naturally have all the tools they need to get into a cell and replicate its genes
D)viruses will kill the cells affected by the disease by taking over the cell process to replicate more viral particles
Answer:
C
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identify the advantages and disadvantages for both fossil fuels and nuclear fuels
Fossil Fuels
Advantages: Large amounts of fairly cheap electricity can be generated in one place. Transporting it to power stations and plants is easy. Easy to find.
Disadvantages: Major pollution, the plants that use fossil fuels let out lots of carbon dioxide, which contributes to the greenhouse effect. They also produce sulfur dioxide, a gas that contributes to acid rain. Mining coal can be very dangerous. Coal power plants require lots of coal to run.
Nuclear Fuels
Advantages: No greenhouse gases. The energy obtained in these plants is 10 million times more powerful than the same amount made in a coal plant. This type of energy is also reliable and rarely shuts down due to outside causes.
Disadvantages: Very harmful waste. Supplies will run out in years to come. It takes days to shut down a plant. Meltdowns expose very large amounts of radioactivity in an area.
Answer:
Alright so:
Explanation:
Advantages of fossil fuels: cheap, easy access, give a ton of concentrated energy, easier to transport from place to place, very stable and very reliable.
advantages of nuclear fuels: they are also cheap, also easy to get access, are cleaner, are safer, and less pollution.
Disadvantages of fossil fuels: they contribute to global warming, lots of pollution, dirty, extremely dangerous if an accident is made, the process of drilling for fossil fuels is also very dangerous and it is nonrenewable.
Disadvantages of nuclear fuels: radioactive waste, pollute the environment as well, dangerous if accidents happen, nonrenewable, expensive, limited supply, and it takes a long time before it can be transported.
Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is probably what type of trait? *
Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is Recessive Trait
Explanation:
A recessive trait is a trait that have been expressed when an organism has two recessive alleles or two forms of a gene.
Traits are called the physical/non-physical characteristics of a organisms that can or cannot be observed.
Physical characteristics like hair, eye color can be observed while other characteristics like the shape of blood cells cannot be observed.
It is important to note that if the trait is dominant, one of the parents will have the trait. Dominant traits does not skip a generation. In case the trait is recessive, neither of the parent will have the trait .Recessive trait can skip a generation
So we can say that in the case mentioned in the question
Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is Recessive Trait
Final answer:
In a litter of four cubs where three are spotted and one is solid black, the solid black coat is likely a recessive trait, since the spotted pattern is exhibited by the majority and is thus the dominant trait.
Explanation:
The question addresses a scenario where two spotted leopards produce a litter of four cubs, three of which are spotted, and one is solid black. Since the majority of the cubs are spotted, this suggests that the spotted pattern is the dominant trait. The solid black coat in one cub is therefore likely to be a recessive trait. In genetics, a dominant trait is one that is expressed in the phenotype even if only one copy of the allele for that trait is present (heterozygous). On the other hand, a recessive trait requires two copies of the allele (homozygous recessive) to be expressed.
Given the context, and consistent with information about cat coat genetics, the solid black color exhibited by the single cub can follow principles of incomplete dominance, co-dominance, or be influenced by multiple genes or loci, which is a more complex topic involving epistatic interactions. The most straightforward answer is that the black coat is a recessive trait when considering the simple Mendelian inheritance patterns observed in the litter.
The D string on a violin has a frequency of 293 Hz when it is in tune. Calculate the period.
Answer:
Answer:The Time (period) is 0.003 s
Step-by-step explanation:
The period is equal to Time.
the formula for calculating Time (period) is:
Time (period)= 1/frequency
frequency= 293 hz
Time (period) = 1/293
= 0.003
If The D string on a violin has a frequency of 293 Hz when it is in tune, its period is equal to 0.003 s.
What is period?The period is the length of time required to finish a circuit. The inverse of this, or the amount of cycles in a second, is frequency. The wavelength is the distance that sound moves in one period.
Time is equivalent to the period.
Time (period) is calculated using the following formula:
Period (time) Equals 1/frequency
Frequency=293 hertz
Period (time) Equals 1/293
= 0.003 s
As an illustration, if a newborn baby's heart pulses 120 times per minute, its period—the space between beats—is half a second 60 seconds divided by 120 beats.
Therefore, the period is the reciprocal of the frequency because it is the length of time for one cycle in a repeating occurrence.
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The growth of a plant toward light is an example of _____.
adaptation
response
homeostasis
metabolism
Answer: The correct asnwer is response
1-Paragraph that explains an example of natural selection . (3-5 sentences)
Answer:
In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.
Answer:Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment.For example, tree frogs are sometimes eaten by snakes and birds. Gray Tree frogs blend well in dark wooded areas on tree bark and Green Tree frogs blend in well with green vegetation found in marshes and swamps. A Green Tree frog on the bark of a tree is easier for a predator to find, compared to a Green Tree frog on a green leaf. So, Green Tree frogs that go into habitats where they are not camouflaged are more likely to be eaten by predators. Since Tree frogs that have been eaten do not live to have any more baby Tree frogs, natural selection has favored Tree frogs that live in habitats in which they are more camouflaged.