Which one of the following pair of items correctly belongs to the category of organs mentioned against it?
Thorn of Bougainvillea and tendrils of Cucurbita – Analogous organs
Nictitating membrane and blind spot in the human eye – vestigial organs
Nephridia of the earthworm and Malpighian tubules of cockroach - Excretory organs
Wings of a honey bee and wings of crow - Homologous organs
Nephridia are the tubular excretory structures of earthworms (annelids) , and Malpighian tubules are the excretory structures of insects like cockroaches ; therefore, this pair is correctly matched. In contrast, the thorns of Bougainvillea and tendrils of Cucurbita are homologous organs (divergent evolution) , and the wings of insects (honey bee) and birds (crow) are analogous organs (convergent evolution) .
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