Animal Classification Worksheet

Front

What are the five main groups (classes) of vertebrates?

Back

Mammals, Birds, Reptiles, Amphibians, Fish.

Front

What is a dichotomous key?

Back

A tool that allows the identification of organisms through a series of choices that lead to the correct name.

Front

What do vertebrates have inside their bodies?

Back

Backbones.

Front

What are cold-blooded animals?

Back

Animals whose body temperature changes with the temperature of their surroundings.

Front

Which animal has a backbone: Snail, Lobster, Worm, or Snake?

Back

Snake.

Front

What are warm-blooded animals?

Back

Animals that maintain a constant body temperature regardless of the environment.

Front

Give an example of a cold-blooded animal.

Back

Lizard.

Front

What is the main characteristic of mammals?

Back

They have hair or fur and produce milk to feed their young.

Front

What is an example of an amphibian?

Back

Frog.

Front

What is the primary difference between reptiles and amphibians?

Back

Reptiles have dry, scaly skin, while amphibians have moist skin.