Mammal –
- Body is mostly covered with hair.
- Feeds young with mother’s milk.
- Usually gives birth to live young.
Amphibian –
- Cold-blooded.
- The young usually live under water that breath through gills e.g. frogspawn.
- Adults usually live in and out of water and breath by lungs or through skin.
Insect –
- Small.
- Air-breathing
- Body is divided into three parts (head, thorax and abdomen
- Have three pairs of legs and usually two pairs of wings.
Bird –
- Warm-blooded.
- Body is mostly covered in feathers
- Forelimbs are wings.
- Have scaly legs.
- They don’t have teeth, instead they have a beak.
- Young are born from eggs.
Fish –
- Cold-blooded
- Live in water.
- Breath through gills
- Commonly have fins.
- Have long bodies covered with scales.
Reptile –
- Cold-blooded
- Usually give birth from eggs
- Breath using lungs

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