Animal Life

A row of bones down the middle of the back

• backbone

• ribs

• skull

• skeleton

This set of bones helps support a body and helps it move

• backbone

• skeleton

• ribs

• skull

An animal that has a backbone

• vertebrate

• invertebrate

• skeleton

• backbone

An animal without a backbone

• invertebrate

• vertebrate

• skeleton

• backbone

These invertebrates have legs, and a hard covering on the outside of its body; grasshopper, ticks, and spiders.

• arthropod

• bird

• insect

• amphibian

Vertebrates that live in water, breathe with gills, have fins and scales.

• retiles

• amphibians

• fish

• birds

Vertebrates that lay eggs in water, breathe with gills when young, and when grow older, walk on land and breathe with lungs. These vertebrates go through a metamorphosis.

• reptiles

• amphibians

• fish

• birds

Vertebrates that are covered with scales, breathe air with lungs, and live on land.

• reptiles

• amphibians

• birds

• fish

vertebrates with feathers, breathe with lungs, and lay eggs on land.

• bird

• mammals

• fish

• retile

vertebrates with fur or hair, give live birth, and breathe with lungs

• mammals

• bird

• amphibians

• fish