Amphibians
Closely-related to reptiles, the amphibian class includes frogs, toads, salamanders, and newts. Contrary to their reptile kin, amphibians tend to have slimy skin and favor cooler areas, generally away from direct sunlight. Amphibians can be found on every continent of the world, aside from Antarctica. The biodiversity is, by far, the heaviest in tropical rainforests,…