There are seven species of amphibian which live in the UK. Oh it sounds like a frog and a frog is a type of amphibian. Amphibians have smooth, moist skin without any hair. They can have four legs ...

"Natural selection might suggest that the females' preference for a certain type of male has a genetic or evolutionary factor behind it," Howard says. "But in this case, and similar cases throughout ...

Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. All can breathe and absorb water ...

While this relationship between a spider and a toad may seem crazy, it actually makes perfect sense. In biology, animal relationships can be categorized into three basic types of symbiosis.