Thorns of Bougainvillea and tendrils of Cucur | vedclass

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(D) divergent evolution.$Thorns$ of $Bougainvillea$ and $tendrils$ of $Cucurbita$ are modified branches and are $axillary$ in position.This means $axi

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divergent evolution

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(D) divergent evolution.$Thorns$ of $Bougainvillea$ and $tendrils$ of $Cucurbita$ are modified branches and are $axillary$ in position.This means $axillary$ branches in $Bougainvillea$ are modified into $thorns$ for protection from browsing animals, and in $Cucurbita$ into $tendrils$ for climbing.These are called $homologous$ $organs$ and they are the result of $divergent$ $evolution$, i.e., they have a common ancestry but perform different functions.

Thorns of $Bougainvillea$ and tendrils of $Cucurbita$ are examples of:

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