Factors Affecting Biological Diversity Answers

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

In a population of seals, most of the seals have similar coloring. However, one seal has albinism. This seal is white and is almost completely blind. What is most likely the cause of this difference from the rest of the population?

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?

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

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

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

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

Which environmental factor could lead to a decrease in genetic variation in a population of tuna?

In Wisconsin, a very large population of lake trout, in which individuals mate at random, experiences no migration, mutations, nor selective pressure for a number of years. Which of these is most likely to occur in the population?