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
Responses
lack of suitable mates
lack of suitable mates
bottleneck events
bottleneck events
lack of advantageous traits
lack of advantageous traits
inbreeding
Answers
Answer
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.
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
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
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
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