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Svetllana [295]
3 years ago
7

A portion of grass in a prairie ecosystem was destroyed by wildfire. What will most likely happen to the population of bison tha

t feed on the grass?. a.. The number of bison will increase.. b.. The number of bison will decrease.. c.. The bison in the ecosystem will be completely wiped out.. d.. The number of bison will remain unchanged.
Biology
2 answers:
amm18123 years ago
4 0

The correct answer is B. on e2020.

seropon [69]3 years ago
4 0

Answer: b. The number of bison will decrease

Explanation: A prairie ecosystem is mainly dominated by grasses and shrubs as vegetation which are the source of food for large number of herbivores in the ecosystem. The grasses if burn by the wildfire will decrease the population of bison which was dependent upon them as a source of food.

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A few years after a prey species population decreases, the _____. A. prey population will exceed carrying capacity B. predator p
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Answer:

D. predator population will decrease

Explanation:

If the population of prey species decreases then the competition between the predator population will increase and natural selection will act on them. So nature will select those individuals among predators who are more fit and adapted and less fit individuals will die.

So a few year after the predator population will decrease as there are not enough prey to support the large population of predators which was present when prey were abundant. Therefore the correct answer is D.

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why does a deletion mutation usually cause more defects during protein synthesis than a point mutation?
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Deletion mutations can affect the entire base sequence.

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SOMEONE HELP ME RN PLEASEEE!! what statement best describes evolution???
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1. How does the cell membrane allow animals to move without rupturing the cells in the body?
oksian1 [2.3K]

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Explanation:

1)The cell membrane functions as a semi-permeable barrier, allowing a very few molecules across it while fencing the majority of organically produced chemicals inside the cell. Electron microscopic examinations of cell membranes have led to the development of the lipid bilayer model (also referred to as the fluid-mosaic model). The most common molecule in the model is the phospholipid, which has a polar (hydrophilic) head and two nonpolar (hydrophobic) tails.

2) simple diffusion across the cell plasma membrane. The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down the concentration gradient is , by simple diffusion.

3) some molecules, such as carbon dioxide and oxygen, can diffuse across the plasma membrane directly, but others need help to cross its hydrophobic or however, because they are charged the polar, they can't cross the phospholipid part of the membrane without help .

4) during fission a copy of the DNA is made and attached to the cell membrane as well. As this cell elongate in preparation for fission, the two DNA copies are pulled apart two opposite ends of the cell. New membrane material is deposited between the two ends of the cell, and a new wall grows between them .

5) UMASS STEM-ED From Bubbles to Cell Membranes Workshop. Bubble ... dynamic nature which can't be properly appreciated in a static textbook. ... the small thread through one of the straws.

6) example of passive transport and active transport across a cell membrane so, cell membranes are semipermeable meaning they have control over what molecules can or cannot pass through. Some molecules can just drift Inn.

4 0
3 years ago
Please help!!!!! Also please no links very annoying
ioda

Answer:

The small intestine takes in nutrients, while the large intestine eliminate waste.

Explanation:

Small intestine doea not break down compounds, it is stomach's job. It is good at absorbing nutrients. Large intestine does not usually absorb nutrient, it absorbs water and eliminate waste. So combine all of this, the best answer is the third one.❤️

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