Which germ layer is absent in the phylum Coel | vedclass

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Question

(B) The phylum $Coelenterata$ (also known as $Cnidaria$) consists of diploblastic animals. Diploblastic animals possess two germ layers: an outer laye

Vedclass · Accepted Answer

Mesoderm

Vedclass · Answer

(B) The phylum $Coelenterata$ (also known as $Cnidaria$) consists of diploblastic animals. Diploblastic animals possess two germ layers: an outer layer called the ectoderm and an inner layer called the endoderm. They lack a middle germ layer,which is known as the mesoderm. Instead of a true mesoderm,they have an undifferentiated,jelly-like layer called the mesoglea between the ectoderm and the endoderm.

Column-$I$	Column-$II$
$P$. Brain coral	$I$. Adamsia
$Q$. Portuguese man-of-war	$II$. Meandrina
$R$. Sea anemone	$III$. Hydra
$S$. Hydra	$IV$. Gorgonia
$T$. Sea fan	$V$. Physalia
$U$. Sea pen	$VI$. Pennatula

Which germ layer is absent in the phylum $Coelenterata$?

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The gastrodermis of $Hydra$ takes part in the digestion of:

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Which of the following structures is present in animals of the phylum $Coelenterata$ (Cnidaria)?

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Match the following columns:
Column-$I$ Column-$II$
$P$. Brain coral $I$. Adamsia
$Q$. Portuguese man-of-war $II$. Meandrina
$R$. Sea anemone $III$. Hydra
$S$. Hydra $IV$. Gorgonia
$T$. Sea fan $V$. Physalia
$U$. Sea pen $VI$. Pennatula

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