Amphibian

Characteristics: amphibians are vertebrates and go through metamorphosis.
structure: skin contains fiber protein called keratin it allows gases and water to pass through.
Fact: they cannot regulate their own body temperture.
Scientific name: xenopus laevis, ascaphus truei

Hyperlinks:
1.http://www.shsu.edu/~bio_mlt/AMPHIBIA.html

2.http://imnh.isu.edu/digitalatlas/bio/amph/main/clasamph.htm