1) They are viviparous a) Fish b) Mammals c) Birds d) Amphibians 2) They have lung for breathing and they can also breathe through their skin a) Amphibians b) Reptiles c) Mammals d) Fish 3) They have a beak at the end of their mouth a) Reptiles b) Fish c) Mammals d) Birds 4) Their body are covered with hair a) Birds b) Mammals c) Fish d) Amphibians 5) They breathe through gills a) Fish b) Mammals c) Birds d) Reptiles 6) Their body are covered with feathers a) Mammals b) Amphibians c) Birds d) Reptiles 7) They have fins a) Amphibians b) Birds c) Reptiles d) Fish 8) They have wings a) Amphibians b) Birds c) Fish d) Reptiles 9) Their body are covered with scales a) Birds b) Mammals c) Fish d) Amphibians 10) Their mammary glands produce milk a) Reptiles b) Birds c) Mammals d) Amphibians 11) They have dry, scaly skin a) Fish b) Amphibians c) Mammals d) Reptiles 12) When they are young, they live in water and breathe through gills a) Mammals b) Reptiles c) Amphibians d) Birds 13) Their tongue is long and sticky a) Amphibians b) Fish c) Mammals d) Birds 14) They don't lay eggs a) Mammals b) Fish c) Amphibians d) Birds

Vertebrates

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