1) How do birds reproduce? a) laying eggs b) giving birth to young alive 2) What is the outer covering of birds? a) feathers b) scales 3) Birds breathe through their ____________________. a) gills b) lungs 4) Birds have two ______________. a) fins b) wings 5) Birds have a _______________. a) beak b) shell 6) All birds can fly. True or false? a) True b) False 7) Which of the following is a bird? a) b) 8) Which of the following is a bird? a) b)

Characteristics of Birds

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