Question

Why are the gene pools of small populations reduced compared to those of larger populations? (1 point)
Responses

lack of suitable mates
lack of suitable mates

bottleneck events
bottleneck events

lack of advantageous traits
lack of advantageous traits

inbreeding

Answer 1

inbreeding

Answer 2

A bottleneck event reduces the population of bears in one area by 80%. Which statement is correct about the bears’ gene pool? (1 point)
Responses

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

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

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

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

Answer 3

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

Answer 4

Which information helps scientists determine the survival probability of a population?(1 point)
Responses

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

the level of genetic variation in the population
the level of genetic variation in the population

the existence of natural selection in the population
the existence of natural selection in the population

the feeding habits of an individual in the population

Answer 5

the level of genetic variation in the population