PDF chapter test TRY NOW
How is the skeleton of a bird well-suited for flying?
a. Birds have hollow bones that are light in weight. Hence their bones are known as _________.
b. The _________ of the bird makes them move easier in the air.
c. In birds, ________ bones are modified as claws, particularly for walking and perching.
d. In birds, forelimbs are modified as _______ equipped with feathers.
e. Birds have modified breastbones that contain massive ___________ responsible for moving the wings up and down.
f. The wings and tail of the birds have long _________, which help them in _________.
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