Do amphibians walk, fly, or swim?
walk and swim
Do fish walk, fly, or swim?
swim
Do reptiles have fur, feathers, scales, or skin?
scales
Do fish have fur, feathers, scales, or skin?
scales
Are reptiles oviparous or viviparous?
oviparous
Do amphibians have fur, feathers, scales, or skin?
skin
Do birds walk, fly, or swim?
fly and walk
Are mammals oviparous or viviparous?
viviparous
Do birds have fur, feathers, scales, or skin?
feathers
Do mammals have fur, feathers, scales, or skin?
fur