Question

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Answer 1

ㅤㅤㅤㅤㅤㅤFirst Box :—

Feather :— Feathers are an obvious trait. Feathers are found on every living species of bird. They are made of keratin, which also makes hair and nails in other creatures.

ㅤㅤㅤㅤㅤ Second Box :—

Wings :— All birds have wings, but not all birds fly. The wings are shaped differently in different species to provide specific advantages.

ㅤㅤㅤㅤㅤㅤThird Box :—

Bird's skeleton :— Bird skeletons are designed specifically to keep birds light so they can fly. This means their bones are hollow.

ㅤㅤㅤㅤㅤㅤ Forth Box :—

Beaks :— Beaks or bills are another characteristic of birds. These are made from bone and then covered with a very thin layer of keratin.