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Vertebrates(with backbone)

Reptile

• cold-blooded• breathe with lungs

• lay eggs• dry scaly skin

Amphibian

• cold-blooded• breathe with lungs and gills

• smooth, moist skin (no scales)

• lay eggs

Mammal

• warm-blooded• have hair• produce milk for young

• give live birth• have hair or fur• breathe with lungs

Bird

• warm-blooded• lay eggs• have feathers & wings

• two legs• breathe with lungs

• have bills or beaks

Fish

• cold-blooded• breathe with gills

• lay eggs• have fins