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3 years ago

What is the most likely result in the loss of genetic variation?

Biology

2 answers:

Veseljchak [2.6K]3 years ago

8 0

Answer:

B. Genetic Drift.

Explanation:

This is also called a small population because it is where a group of people are together instead of a large group.

This results in a loss of genetic variation because since there is only a small group of people, not a lot of people can have kids resulting in genetic variation.

KATRIN_1 [288]3 years ago

4 0

Answer:

Explanation:

it is the answer

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Which of the following is true regarding extinction?

mars1129 [50]

C. Single events or several causes working together to produce extinction in a short period is referred to as mass extinction.

Example:
Destruction of forests, mountains, and bodies of water to satisfy human needs result to the imbalance of nature which also give rise to global warming.

Animals and plants have lost their habitats. They lost their means to live. They lost their food sources and they suffer and die because of humans irresponsible acts.

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3 years ago

You are asked to test the biochemical oxygen demand (BOD) of a stream in your town. After observing the BOD over a week, you cal

Lemur [1.5K]

B. The water is likely contaminated with high levels of pollution or waste

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2 years ago

The number of bacteria in a certain population is predicted to increase according to a continuous exponential growth model, at a

Brilliant_brown [7]

The given question is incomplete. The complete question is as follows;

The number of bacteria in a certain population is predicted to increase according to a continuous exponential growth model, at a relative rate of 16% per hour. Suppose that a sample culture has an initial population of 71 bacteria. Find the predicted population after three hours Do not round any intermediate computations, and round your answer to the nearest tenth bacteria .

Answer:

114.7

Explanation:

A (t) represent the population of the bacteria at the time t.

Since, the population grows exponentially, the population can be calculated as follows:

A (t) = Ao × $e^{kt}$

A (t) is teh final population, Ao is the initial population, e is the exponential, k is rate and t is time.

A (t) = 71 × $e^{0.16\times t}$

For t = 3 hours

A (t) = 71 × $e^{0.16\times 3}$

A (t) = 114.7.

The population of bacteria after 3 hours is 114.7.

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3 years ago

True or False Questions: 1. When a cell is put into an isotonic solution, individual water molecules cannot move back and forth

lord [1]

1.) It is True that when a cell is put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane.
2) It is False that a when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell.
3) It is True that when a cell is out into a hypotonic solution, there is net movement.
4) It is False that the movement of any solvent across a semi-permeable membrane is called osmosis.

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3 years ago

Beta cells in the pancreas and human skin cells

Kazeer [188]

Mitosis is the answer

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3 years ago