🐻Mammalsfur or hair, milk for babies, warm-blooded, most give birth to live young

🦅Birdsfeathers, beaks, lay hard-shelled eggs, warm-blooded

🐍Reptilesdry scales, leathery eggs on land, cold-blooded

🐸Amphibiansmoist skin, live in water then land, eggs in water

🐟Fishgills, fins and scales, live in water

🐛Invertebratesall the animals without a backbone