In an ecosystem containing the food web shown, one eventual result of a program by farmers to get rid of field mice might be a. decreased amount of grasses. b. decreased number of rabbits. c. increased number of weasels. d. no change in the number of rabbits.

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .