What does the metamorphosis of a frog involve?
a. a change from a land-dwelling adult frog to a fish-like tadpole.
b. a change from an aquatic fish-like tadpole to a land-dwelling adult frog.
c. a change from an aquatic fish-like frog to a land-dwelling adult tadpole.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems