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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Write a Short Answer. How Are the Bones of Birds Different from Those of Other Vertebrates? - Biology

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प्रश्न

Write a short answer.

How are the bones of birds different from those of other vertebrates?

एका वाक्यात उत्तर

उत्तर

The bones of birds have large air cavities (are hollow) and hence are light. This enables them to fly. On the other hand, bones of other vertebrates are dense and solid and form a _ heavy skeleton.

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पाठ 3: Classification of Animals - Exercises

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सेलिना Concise Biology [English] Class 7 ICSE
पाठ 3 Classification of Animals
Exercises | Q 6

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