Vertebrates

Fish can only live in water. They lay eggs in water.

They breath through gills.

They have scales and fins.

Fish

MammalsTheir babies develop

inside the mothers body.

The mother feeds the young on her milk, which she makes in her mammary glands.

They have hairy skin.

Amphibians

Amphibians lay eggs in water. The eggs are like jelly.

They breathe air and live partly on land, but have to lay their eggs in water.

They have a smooth, moist skin.

Birds lay eggs with a hard shell.

They look after their young after they have hatched.

Birds have feathers and wings.

Most birds can fly.

Birds

ReptilesReptiles lay eggs

on land.

Their eggs have a leathery shell.

They breath air and live mainly on land.

They have a scaly ,dry skin.

Invertebrates

Jellyfish• Soft jelly- like body

Starfish• Hard star- shaped body

Flatworms• Soft flat leaf- shaped body

Roundworms• Soft thin round body

Segmented worms• Soft ringed body

Molluscs• Soft muscular body with one foot.

Most have a hard shell.

Crustaceans• Lots of legs• Soft body, usually with a hard

shell

Centipedes• Lots of legs• Segmented body

Millipedes• Lots of legs• Segmented body

Spiders• 8 legs• 2- part segmented body

Insects• 6 legs• 3- part segmented body