Choose the correct option.

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(A) Option $A$ is correct. Phylum $Annelida$ exhibits bilateral symmetry,metamerism (true segmentation),and they are coelomate animals.Option $B$ is i

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Annelida - Exhibit bilateral symmetry,metamerism and coelom.

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(A) Option $A$ is correct. Phylum $Annelida$ exhibits bilateral symmetry,metamerism (true segmentation),and they are coelomate animals.Option $B$ is incorrect because $Echinodermata$ exhibit organ-system level of organization,not tissue level.Option $C$ is incorrect because $Arthropoda$ possess a complete digestive system,not an incomplete one.Option $D$ is incorrect because in vertebrates,the notochord is replaced by a vertebral column,and the nerve cord is dorsal,not ventral.

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

Column $A$	Column $B$	Column $C$
$(1)$ Planaria	$(a)$ Planula	$(e)$ Ostia
$(2)$ Hyalonema	$(b)$ Pseudocoelomate	$(f)$ Flame cells
$(3)$ Hydra	$(c)$ Platyhelminthes	$(g)$ Polyp
$(4)$ Wuchereria	$(d)$ Porifera	$(h)$ Aschelminthes

Similar Questions

Which one of the following animals is correctly matched with its one characteristic and the taxon?

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 :

To which family do pigeons and doves belong?

Match the following columns correctly and select the appropriate option:
Column $A$ Column $B$ Column $C$
$(1)$ Planaria $(a)$ Planula $(e)$ Ostia
$(2)$ Hyalonema $(b)$ Pseudocoelomate $(f)$ Flame cells
$(3)$ Hydra $(c)$ Platyhelminthes $(g)$ Polyp
$(4)$ Wuchereria $(d)$ Porifera $(h)$ Aschelminthes

In which of the following is an open circulatory system found?

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