Biology, asked by aman3835, 1 year ago

evolutionary relationship between spines of opuntia and Thorns of bougainvillea

Answers

Answered by hitanshu30

2

They are "HOMOLOGOUS ORGANS."

Hope it helped.

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aman3835: can you tell more about this

hitanshu30: ya

hitanshu30: Homology of Defensive Organs which are Analogous to Thorns and Spines:Thorns and spines are different—the former being stronger structures. ... (3) The spines of Acacias and Zizyphus are stipules. (4) The spines of Opuntia, Asparagus , Berberis and the smallerthorns of Ulex are all modified leaves

aman3835: thank you

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