Which type of organism evolved later than the others?

mammals

amphibians

reptiles

fish

genetic variation will increase because of a new habitat and food source.

explanation:

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.