bottleneck event reduces the population of bears in one area by 80%. Which statement is correct about the bears' gene pool? (1 point)
• It has temporarily increased, so disadvantageous traits are more likely to be passed on.
• It has temporarily decreased, so disadvantageous traits are more likely to be passed on.
• It has temporarily increased, so disadvantageous traits are less likely to be passed on.
• It has temporanly 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.
Which information helps scientists determine the survival probability of a population? (1 point)
• the level of genetic variation in the population
• the number of offspring of an individual in the population
• the feeding habits of an individual in the population
• the existence of natural selection in the population