Metameric segmentation is the characteristic | vedclass

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(D) The correct answer is $D$. Metameric segmentation,or metamerism,refers to the linear repetition of body parts along the longitudinal axis of an an

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Annelida and Arthropoda

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(D) The correct answer is $D$. Metameric segmentation,or metamerism,refers to the linear repetition of body parts along the longitudinal axis of an animal. This phenomenon is a characteristic feature of the phyla $Annelida$,$Arthropoda$,and $Chordata$. In $Annelida$,segmentation is clearly visible both externally and internally. In $Arthropoda$,the body is segmented,although the segments are often fused to form tagmata. In $Chordata$,metamerism is prominent in the embryonic stage and persists in adult internal structures such as vertebrae,ribs,and nerves.

List-$I$	List-$II$
$(a)$ Physalia	$(i)$ Pearl oyster
$(b)$ Limulus	$(ii)$ Portuguese Man of War
$(c)$ Ancylostoma	$(iii)$ Living fossil
$(d)$ Pinctada	$(iv)$ Hookworm

Column $X$	Column $Y$
$(1)$ Green gland	$(P)$ Mollusca
$(2)$ Digestive tract with digestive glands	$(Q)$ Arthropoda
$(3)$ Straight or coiled alimentary canal	$(R)$ Hemichordata
$(4)$ Straight or $U$-shaped digestive tract	$(S)$ Echinodermata

Metameric segmentation is the characteristic of

Similar Questions

Match the following:

List-$I$ List-$II$

$(a)$ Physalia $(i)$ Pearl oyster

$(b)$ Limulus $(ii)$ Portuguese Man of War

$(c)$ Ancylostoma $(iii)$ Living fossil

$(d)$ Pinctada $(iv)$ Hookworm

Choose the correct answer from the options given below.

Which of the following is observed in the adult stage of $Cnidaria$ and $Echinodermata$?

Which of the following is an incorrect pair regarding the classification of organisms?

Select the incorrect option regarding organisms exhibiting metamerism:

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Green gland $(P)$ Mollusca
$(2)$ Digestive tract with digestive glands $(Q)$ Arthropoda
$(3)$ Straight or coiled alimentary canal $(R)$ Hemichordata
$(4)$ Straight or $U$-shaped digestive tract $(S)$ Echinodermata

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