Short answer questions VII — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor?

a. __________ have distinct roles and appearances, yet they all have the same basic anatomical plan and origin.

b. ________ refers to the development of homologous organs by animals evolving in separate directions from a common ancestor.

c. Is it necessary that homologous structures always have a common ancestor?

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45. Short answer questions VII