Amphibians are the vertebrate animals that can live in 2 realms. The word amphibian is based on 2 Greek words meaning “Amphi” meaning two, and “bios” meaning life. Most of these groups are vertebrate (vertebrate), cold-blooded (Poikiloterm) and 4-footed (Tetrapoda) animals. Amphibians are animals that have a perfect metamorphosis process.
This group of animals can live in water or on land, usually when in the water they breathe by wearing Gill, and while on the ground breathing in the lungs. Amphibious skin is a moist structure with many useful blood vessels in order to adjust its place of life. There are about 5000 species of amphibians already known.
- His limbs were head and body (e.g. frog) or head, body and tail (e.g. salamander).
- Amphibians are the only vertebrates that have undergone a perfect metamorphosis. This means that amphibians have very different adult forms than their forms when they