Amphibians:

An animal that lives in both water and on land.

Fish:

An animal that lives in water.

Fin:

Commonly found on fish, fins are used as a way for fish to move freely in water.

Gills:

A common part of both fishes and amphibian creates, it helps them breathe while underwater.

Respatory System:

The breathing organ that help keep the animal heart pumping.

Aquatic:

Term used to describe something that lives in water.

Terrestrial:

Term used to describe something that lives on land.

Tadpole:

The youngest stage of a frog after it has hatched.

Anura:

Term used to describe frogs and toads.

Caudata:

Term used to describe a salamander.