Question

Which statement is correct about a bottleneck event?

A. A bottleneck event decreases the gene pool of a population.

B. A bottleneck event increases the gene pool of a population.

C. A bottleneck event increases the population of a species permanently.

D. A bottleneck event decreases the population of a species permanently.

Answer 1

[AI-generated answer — Bot GPT 3.5]

A. A bottleneck event decreases the gene pool of a population.

Answer 2

Why are the gene pools of small populations reduced compared to those of larger populations?

A. lack of suitable mates

B. bottleneck events

C. inbreeding

D. lack of advantageous traits

Answer 3

[AI-generated answer — Bot GPT 3.5]

B. bottleneck events

Answer 4

A bottleneck event reduces the population of bears in one area by 80%. Which statement is correct about the bears’ gene pool?

A. It has temporarily increased, so disadvantageous traits are less likely to be passed on.

B. It has temporarily decreased, so disadvantageous traits are more likely to be passed on.

C. It has temporarily decreased, so disadvantageous traits are less likely to be passed on.

D. It has temporarily increased, so disadvantageous traits are more likely to be passed on.

Answer 5

[AI-generated answer — Bot GPT 3.5]

B. It has temporarily decreased, so disadvantageous traits are more likely to be passed on.

Answer 6

Which information helps scientists determine the survival probability of a population?

A. the feeding habits of an individual in the population

B. the level of genetic variation in the population

C. the existence of natural selection in the population

D. the number of offspring of an individual in the population

Answer 7

[AI-generated answer — Bot GPT 3.5]

B. the level of genetic variation in the population

Answer 8

What relationships exist among reasoning, evidence, and explanation?

A. Evidence is used to connect the explanation and the reasoning.

B. Reasoning is used to connect the evidence and the explanation.

C. Reasoning is associated directly with explanation, but not evidence.

D. Evidence is associated directly with explanation, but not reasoning.

Answer 9

[AI-generated answer — Bot GPT 3.5]

B. Reasoning is used to connect the evidence and the explanation.