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Answer» Explanation:A whale is a mammal and not a fish, a sparrow is a bird. Both mammals and birds are warm blooded and POSSESS four chambered hearts with complete DOUBLE circulations. Why do geese fly in a V? ... SCIENTISTS have determined that the V-shaped formation that geese use when migrating serves two important purposes: First, it conserves their ENERGY. Each bird flies slightly above the bird in front of them, resulting in a reduction of wind resistance. |
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