Classification of Organisms - Vocabulary

A cold-blooded animal that is born in the water and has gills, which grows up to live on the land and have lungs.

A living thing that can move on its own and that gets its energy from food.

A warm-blooded animal that has wings, two legs, feathers, and a beak; lays eggs.

A cold-blooded animal with fins and gills that lives in water.

An organism that does not have a backbone.

A warm-blooded animal that feeds milk to its young and that usually has hair or fur covering most of its skin.

A type of living thing that gets its energy from the Sun and is unable to move from place to place on its own.

A cold-blooded animal that has lungs and a skeleton and whose skin is usually covered with scales.

An organism with a backbone.

What is the process of classifying organisms?

(a)