1) An animal with a backbone is called a a) Vertebrate b) Invertebrate 2) An animal with warm blood that grows hair or fur is a a) Reptile b) Mammal 3) A scaly creature with cold blood is a a) Reptile b) Mammal 4) Mammals usually have a) Lungs b) Gills 5) Fish and underwater animals breathe using a) Lungs b) Gills

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