Which of the following organisms does not sho | vedclass

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Question

(D) Segmentation (metamerism) is a characteristic feature where the body is divided into repeating units.$1$. $Earthworm$ $(Annelida)$ shows true meta

Vedclass · Accepted Answer

Starfish/Hydra

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(D) Segmentation (metamerism) is a characteristic feature where the body is divided into repeating units.$1$. $Earthworm$ $(Annelida)$ shows true metameric segmentation.$2$. $Cockroach$ $(Arthropoda)$ shows segmentation in the body,which is divided into head,thorax,and abdomen.$3$. $Frog$ $(Chordata)$ shows internal segmentation in the vertebral column and muscles.$4$. $Starfish$ $(Echinodermata)$ and $Hydra$ $(Cnidaria)$ do not show true body segmentation. $Hydra$ is a diploblastic,radially symmetrical organism without segments,and $Starfish$ exhibits pentamerous radial symmetry without metameric segmentation.

List $I$	List $II$
$A$. Pleurobrachia	$I$. Mollusca
$B$. Radula	$II$. Ctenophora
$C$. Stomochord	$III$. Osteichthyes
$D$. Air bladder	$IV$. Hemichordata

Column-$I$	Column-$II$
$A$. Physalia	$1$. Liver fluke
$B$. Taenia	$2$. Sycon
$C$. Fasciola	$3$. Tapeworm
$D$. Scypha	$4$. Portuguese man-of-war

Which of the following organisms does not show any body segmentation?

Similar Questions

Match List $I$ with List $II$ :
List $I$ List $II$
$A$. Pleurobrachia $I$. Mollusca
$B$. Radula $II$. Ctenophora
$C$. Stomochord $III$. Osteichthyes
$D$. Air bladder $IV$. Hemichordata

Choose the correct answer from the options given below :

Which of the following is incorrect?

Match the following columns:
Column-$I$ Column-$II$
$A$. Physalia $1$. Liver fluke
$B$. Taenia $2$. Sycon
$C$. Fasciola $3$. Tapeworm
$D$. Scypha $4$. Portuguese man-of-war

Select the correct matching sequence:

Differentiate between Phylum Platyhelminthes and Phylum Aschelminthes.

How many of the following phyla exhibit diploblastic and tissue-level organization?
Porifera,Coelenterata (Cnidaria),Ctenophora,Platyhelminthes,Aschelminthes

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