Cold Blooded - Fish (gills, wet scales, lay eggs in water), Reptiles (live in water/land have gills/lungs, damp skin, lay eggs on land), Amphibians (lay eggs, dry scales, lay eggs in water)

Warm Blooded - Mammals (give birth to live young, have hair/fur, feed young with milk), Birds (lay eggs, feathers)

Adapting to survive e.g animals in cold climates have thick fur, lots of body fat, small SA:V ratio e.g animals in warm climates have thin fur, little body fat, stay in the shade / come out at night, large SA:V ratio

A camel is adapted to live in the desert by having the following features - long eye lashes, thin nostrils, long muscular legs, wide feet and a long, large intestine