1) shark a) is cold-blooded b) is warm-blooded 2) duck a) Mammals b) Birds c) Fish 3) humans a) Mammals b) Birds c) Fish 4) chicken a) Mammals b) Birds c) Fish 5) blue whale a) Mammals b) Birds c) Fish 6) Reptiles are.... a) Viviparous  b) oviparous 7) Baby amphibians live..... a) in the water b) on land 8) Mammals are..... a) cold blooded b) hot blooded 9) The ostrich is the biggest bird a) True b) False 10) Birds are oviparous a) False b) True 11) All birds can fly a) True b) False 12) Birds have got teeth a) False b) True 13) vertebrates use lungs to breathe a) True b) False 14) Some birds don´t fly a) True b) False 15) Mammals are viviparous because.... a) They are born from an egg b) They are born from their mother´s womb 16) The whale is the biggest fish a) True b) False 17) Birds have ...... to fly a) fins b) wings 18) Birds have got ...... a) feathers b) hair 19) All vertebrates have a skeleton a) True b) False 20) There are five groups of vertebrates a) True b) False 21) Fish breath with..... a) lungs b) gills 22) The body of a fish is covered with ... a) scales b) feathers 23) Fish can live in salty water and in fresh water a) True b) False 24) A tortoise has got..... a) wings b) a shell

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