How many groups of vertebrate animals are there?, Mammals breathe through..., Lungs, Gills, Vertebrate animals are characterized by having backbones?, Fish lives in a ............... ecosystem., Terrestrial, Aerial, Aquatic, Which option does NOT belong to the group of vertebrate animals?, Birds, Mammals, Reptiles, Insects, The birds are..., Oviparous, Viviparous, Frogs are:, Mammal, Reptil, Bird, Fish, Amphibians, Which of the following animals are vertebrates?, Who is a Bird?, Insects are part of the group of vertebrate animals?, True, False

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