1) Have an internal skeleton made of bones a) Invertebrates b) Worms c) Vertebrates d) Snail 2) Mammals are ... a) Viviparous b) Oviparous 3) Birds are ... a) Oviparous b) Viviparous 4) Most of mammals are covered with a) Scales b) Feather c) Fur 5) Birds have teeth a) True b) False 6) Birds have a beak a) True b) False 7) Amphibians are covered with a) Scales b) Bared skin c) Fur d) Feather 8) Amphibians live in a) Water b) Land c) Both 9) Which is the larger group of invertebrates a) Snails b) Crabs c) Jellyfish d) Insects

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