1) How many groups of vertebrate animals are there?  a) b) c) d) 2) Mammals breathe through... a) Lungs b) Gills 3) Vertebrate animals are characterized by having backbones? a) b) 4) Fish lives in a ............... ecosystem. a) Terrestrial b) Aerial c) Aquatic 5) Which option does NOT belong to the group of vertebrate animals? a) Birds b) Mammals c) Reptiles d) Insects 6) The birds are... a) Oviparous  b) Viviparous 7) Frogs are: a) Mammal b) Reptil c) Bird d) Fish e) Amphibians 8) Which of the following animals are vertebrates? a) b) c) d) e) 9) Who is a Bird? a) b) c) d) 10) Insects are part of the group of vertebrate animals? a) True b) False

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