What Is An Amphibian?

Series: Biology Series Unit 7 - Animal Classification and Physiology

Duration: 11

Year Published: 1962

Creator: ENCYCLOPEDIA BRITANNICA EDUC. (FILM

Format: 16mm

Color: Color

Description: Defines amphibians, explores their origin, and pictures amphibian development from egg to maturity. Views the wet-to-dry existence of the animals through fossil skeletons and animated drawings. Shows that amphibians are not well adapted to either land or water. Points out how thyroid injection causes the maturation of a species which normally doesn't mature. Concludes that the amphibian is the lowest vertebrate animal that has adapted to life on land., Defines amphibians, explores their origin and pictures amphibian development from egg to maturity. Views the wet-to-dry existence of the animals through fossil skeletons and animated drawings. Shows that amphibians are not well adapted to either land or water. Points out how thyroid injection causes the maturation of a species which normally doesn't mature. Concludes that the amphibian is the lowest vertebrate animal that has adapted to life on land.

Complete Record: Defines amphibians, explores their origin, and pictures amphibian development from egg to maturity. Views the wet-to-dry existence of the animals through fossil skeletons and animated drawings. Shows that amphibians are not well adapted to either land or water. Points out how thyroid injection causes the maturation of a species which normally doesn't mature. Concludes that the amphibian is the lowest vertebrate animal that has adapted to life on land., Defines amphibians, explores their origin and pictures amphibian development from egg to maturity. Views the wet-to-dry existence of the animals through fossil skeletons and animated drawings. Shows that amphibians are not well adapted to either land or water. Points out how thyroid injection causes the maturation of a species which normally doesn't mature. Concludes that the amphibian is the lowest vertebrate animal that has adapted to life on land.NOTE: Two (or more) records have been merged together to create this data.