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Question
The bones of the birds are ___________.
The bones of the birds are ___________.
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Solution
The correct option is A hollow and light
The bones of the birds are hollow and light. This makes their body light in weight which helps them to fly in the air. The bones in their hindlimbs are designed for walking and perching. The bony part of their forelimbs are modified for flying.
The bones of the birds are hollow and light. This makes their body light in weight which helps them to fly in the air. The bones in their hindlimbs are designed for walking and perching. The bony part of their forelimbs are modified for flying.
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