The total amount of energy and mass in the universe is always changing slowly increasing constant slowly decreasing

Which events are likely to be catastrophic to an ecosystem? select the three correct answers. a-hurricane. b-steady population growth. c-seasonal flooding. d-introducing of an aggressive invasive species. e-tsunami.

Moving down the ramp from 6 meters to

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 .