Which of the following is a population? A. All of the different kinds of fish that live in a lake
B. All of the living and nonliving things that interact in and around a
lake
C. All of the trout that live in a lake
D. All of the fish, bacteria, and mammals that live in a lake
SUBMIT

Explanation:

First, let’s define population. A population is all of the organisms of the same species that live in a certain area.

Now, let’s analyze the answer choices.

A: All of the different kinds of fish that live in a lake.

This is not a population, because a population is one species, and this is all the different species of fish.

B. All of the living and nonliving things that interact in and around a lake.

This is also not a population. A population is just one species, while this includes all the biotic and abiotic factors.

C. All of the trout that live in a lake.

This is a population. Trout are one species, and it is all the trout in one specific area.

D. . All of the fish, bacteria, and mammals that live in a lake

This is not a population. Fish, bacteria and mammals are too many species for a population.

Therefore, the correct answer is C. all of the trout that live in a lake.

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