Which of the following statements is true? 1.ground tissue transports water and nutrients around a plant. 2.sweating and shivering are examples of positive feedback. 3. the excretory system filters and removes dissolved waste from the blood. 4.hormones released by the immune system attack foreign bodies and keep an organism healthy. 5.the reproductive system is vital to an individual's life.

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 .