Sam went to science laboratory to see the specimen of cockroach and bird
wings. He observed many differences in them though both are used for flying.
(a) Can you list the differences between wings of cockroach and bird?
(b) How birds are adapted for flying?
wings. He observed many differences in them though both are used for flying.
(a) Can you list the differences between wings of cockroach and bird?
(b) How birds are adapted for flying?
Answers & Comments
Answer:
a)The main difference between wings of insects and birds is that the wings of insects lack bones whereas the wings of birds have bones. Furthermore, the wings of insects have a number of longitudinal veins, which are cross-connected, while the wings of birds are covered with feathers.
b) The bones of a bird are hollow and light. The wings are made of strong flight muscles that help in long flights. They have tails that control the direction of their flight.
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