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Question

Sternum in birds is:

A
Poorly developed
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B
Well developed
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C
Absent
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D
Similar to mammalian sternum
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Solution

The correct option is A Well developed
Birds have a lightweight skeleton made of mostly thin and hollow bones.
The keel-shaped sternum (breastbone) is where the powerful flight muscles are attached.
It is one of the largest bones of a bird’s skeleton and is part of the pectoral girdle.
Thus, the correct answer is option B.

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