Factors Affecting Genetic Variation Answers

Which would most likely result in an increase in genetic variation in a population?

A population of snakes that eat small rodents enters a new habitat. In the new habitat, there are many species of rodents, and their populations are high because there are few natural predators. What will most likely be the effect on the genetic variation of the snake population?

Which environmental factor would likely lead to an increase in genetic variation in a population of squirrels?

A group of students is walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind. What caption can the student use for this picture?

Which term best describes the difference in colors of the birds below?

Which of the following best defines gene flow?

A new pesticide has been introduced to the habitat of this population of beetles.Which describes the effect of this environmental change?

A high population of greater prairie chickens once inhabited the prairies of Illinois. The conversion of the prairies into agricultural land caused the chickens to lose their habitat. Studies have concluded that this change greatly reduced the greater prairie chicken population. The habitat loss also resulted in a decrease in the population’s genetic variation.Which change in the gene pool occurred in the greater prairie chicken population?

In a few generations, this population of beetles changed. Which is the most likely explanation for the change?

Environmental factors can influence natural selection because they can increase or decrease