Q. 10

State the evoluti

Answer :

The thorns of Bougainvillea and tendril of cucurbita represents homology, i.e., they both have common ancestor. Common ancestor shows divergent evolution.

The thorns of Bougainvillea and tendril of cucurbita are homologous organs, i.e., they have same origin but perform different function.


The thorns of Bougainvillea prevent plant from herbivores animals whereas tendril of cucurbita helps in climbing, i.e., gives support.


They both arise from axil of the leaf i.e., have anatomical similarity


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