Which animal possesses neurons but lacks a br | vedclass

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(D) The $Hydra$ belongs to the phylum $Cnidaria$. It possesses a primitive nervous system consisting of a network of neurons (nerve net) spread throug

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Hydra

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(D) The $Hydra$ belongs to the phylum $Cnidaria$. It possesses a primitive nervous system consisting of a network of neurons (nerve net) spread throughout its body. However,it lacks a centralized nervous system or a brain to process information. In contrast,sponges $(Porifera)$ lack neurons entirely,while earthworms and cockroaches possess a centralized nervous system with a brain or cerebral ganglia.

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 animal possesses neurons but lacks a brain?

Similar Questions

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

'Portuguese man-of-war' is

Which phylum consists of animals that exhibit radial symmetry?

Write the characteristics of a polyp (hypostome) animal.

The presence of which of the following is a characteristic feature of Cnidarians?

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