In which of the following is true metamerism | vedclass

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(C) True metamerism,or metameric segmentation,is a characteristic feature where the body is externally and internally divided into segments with a ser

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Annelida

Vedclass · Answer

(C) True metamerism,or metameric segmentation,is a characteristic feature where the body is externally and internally divided into segments with a serial repetition of at least some organs.This phenomenon is first observed in the phylum $Annelida$ (e.g.,earthworms).While $Arthropoda$ (like the cockroach) also exhibit metamerism,it is considered a derived condition from the ancestral state first seen in $Annelida$.$Platyhelminthes$ are acoelomate and do not show true metamerism.

Column-$I$ (Animal)	Column-$II$ (Genus)
$P$. Sandworm	$I$. Nereis
$Q$. Earthworm	$II$. Hirudinaria
$R$. Leech	$III$. Pheretima

In which of the following is true metamerism first observed?

Similar Questions

Which of the following is not a locomotory organ of protozoa?

Match the following columns:
Column-$I$ (Animal) Column-$II$ (Genus)
$P$. Sandworm $I$. Nereis
$Q$. Earthworm $II$. Hirudinaria
$R$. Leech $III$. Pheretima

Which of the following organisms contains hemoglobin in its blood plasma?

Larval stages are absent in the life cycle of . . . . . . .

Closed blood vascular system,presence of hemoglobin in the blood,and chitinous setae or parapodia are the characteristics of which phylum?

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