An animal without segmentation is:

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(A) Segmentation (metamerism) is a characteristic feature of the phylum $Annelida$.$Earthworm$ $(Pheretima)$ is an annelid and exhibits true metameric

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Tapeworm

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(A) Segmentation (metamerism) is a characteristic feature of the phylum $Annelida$.$Earthworm$ $(Pheretima)$ is an annelid and exhibits true metameric segmentation.$Tapeworm$ $(Taenia)$ belongs to the phylum $Platyhelminthes$,which are acoelomate and unsegmented,although they show pseudo-segmentation called proglottids.$Glow$ $Worm$ (larva of a beetle) and $Shipworm$ ($Teredo$,a mollusk) show different body organizations,but among the given options,$Tapeworm$ is the most distinct example of an animal lacking true metameric segmentation.

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