Which of the following is incorrect?

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(D) In the phylum $Echinodermata$,the digestive system is complete,with a mouth on the ventral side and an anus on the dorsal side.Option $D$ incorrec

Vedclass · Accepted Answer

Echinodermata: Notochord-absent,Digestive system-incomplete,Circulatory system-present,Segmentation-present

Vedclass · Answer

(D) In the phylum $Echinodermata$,the digestive system is complete,with a mouth on the ventral side and an anus on the dorsal side.Option $D$ incorrectly states that the digestive system is incomplete and that segmentation is present.$Echinoderms$ exhibit radial symmetry in adults and do not show true metameric segmentation.Therefore,the statement for $Echinodermata$ is incorrect.

Column $-I$	Column $-II$
$(A)$ Cartilaginous fishes	$(i)$ Cycloid scales
$(B)$ Bony fishes	$(ii)$ Epidermal scales
$(C)$ Reptiles	$(iii)$ Placoid scales

Similar Questions

Cleidoic eggs are a characteristic feature of which of the following?

Column $-I$ represents the animal class, while Column $-II$ represents the exoskeleton. Choose the correct option:
Column $-I$ Column $-II$
$(A)$ Cartilaginous fishes $(i)$ Cycloid scales
$(B)$ Bony fishes $(ii)$ Epidermal scales
$(C)$ Reptiles $(iii)$ Placoid scales

Which character is common in phylum Echinodermata and Chordata?

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

Diploblastic animals occur in:

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