External Structures of Animals

Protect against temperature changes and let birds fly.

Protects the animal and acts as a barrier against harmful materials.

It is a hard covering used to protect the animals. Many invertebrate animals have it.

Keeps animals warm in cold weather.

An animal with no backbone. Includes animals like insects, octopus and crabs.

A protective covering like armor.

Used for fighting, digging, and climbing.

Something that makes an animal special or unique. Includes features, colors, shape, size.