Animals are divided into groups.
- Animals with hair belong to one group.
- Animals with feathers belong to another group.
- Another group breathe through gills.
- Some animals live both on land and in water.
- There are animals without backbones (invertebrates)
those with backbones (vertebrates).
- Some animals feed milk from their own bodies to their young.
- Animals are warm-blooded or cold-blooded.
(note: some animals without backbones are
snails, starfish, jellyfish, insects, spiders, squid and earthworms.
Most of the animals on earth are invertebrates)
The six most common groups of animals are :
MAMMALS -- BIRDS -- REPTILES |
FISH -- AMPHIBIANS -- INSECTS
Each group of animal is different in some way from every other animal.
Special parts of each animals' body help it to live, eat and grow.
Animals live in many different places.
Animals protect themselves in different ways.
- Some animals make their homes in trees.
- Some make their homes in the ground.
- Many animals live in the water.
- Some animals (like frogs) spend part of their life on land and part in water.
- Other animals are tame and may live in homes that people make for them.
- Some animals can "move quickly" to escape their enemies.
- There are animals who can "hide" from their enemies.
- Some animals use certain parts of their bodies for protecting themselves
( like sharp teeth, claws, or sharp horns for "fighting".)