Which of the following organisms does not sho | vedclass

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

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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.

$Option$	Animals	Morphological features
$(a)$	Scorpion,spider,cockroach	Ventral solid central nervous system
$(b)$	Cockroach,locust,Taenia	Metameric segmentation
$(c)$	Liver fluke,sea anemone,sea cucumber	Bilateral symmetry
$(d)$	Centipede,prawn,sea urchin	Jointed appendages

Column $X$	Column $Y$
$(1)$ Skin without scales	$(P)$ Catla
$(2)$ Placoid scales	$(Q)$ Hagfish
$(3)$ Cycloid scales	$(R)$ Chameleon
$(4)$ Epidermal scales	$(S)$ Ray-fish

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

Similar Questions

Statement-$I$ :- Cyclostomata do not have jaws.
Statement-$II$ :- Urochordates do not have a vertebral column.

Members of which group are not deuterostomes?

Which one of the following is a matching set of animals belonging to the same phylum?

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Skin without scales $(P)$ Catla
$(2)$ Placoid scales $(Q)$ Hagfish
$(3)$ Cycloid scales $(R)$ Chameleon
$(4)$ Epidermal scales $(S)$ Ray-fish

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