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Are the thorn of Bougainvillea and tendril of Cucurbita homologous or analogous? What type of evolution has brought such a similarity in them?

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Question

Are the thorn of Bougainvillea and tendril of Cucurbita homologous or analogous? What type of evolution has brought such a similarity in them?

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Solution

They are homologous because both arise from the same basic structure and have a common origin, although their functions differ. Their difference reflects divergent evolution.

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Chapter 8: Evolution-Origin of Life - EXERCISES [Page 467]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 8 Evolution-Origin of Life
EXERCISES | Q II. 26. | Page 467
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