1) Birds are the only living animals that have feathers. a) True b) False 2) All birds fly. a) True b) False 3) All birds have two wings. a) True b) False 4) Birds lose and replace their worn or damaged feathers. a) True b) False 5) All birds have thick, heavy bones that provide the structure needed to fly. a) True b) False 6) Birds have poor eyesight. a) True b) False 7) Bird hearts beat more slowly than human hearts. a) True b) False 8) All birds lay eggs. a) True b) False 9) Most birds eat worms. a) True b) False 10) All birds sing. a) True b) False 11) All birds migrate. a) True b) False 12) Birds are vertebrate animals. a) True b) False 13) All birds are warm-blooded. a) True b) False 14) All baby birds hatch covered in downy feathers. a) True b) False 15) Male and female birds of some species look different. a) True b) False

Birds (basic statements)

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