Metazoans without tissue grade organization a | vedclass

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Question

(A) The animal kingdom is divided into two sub-kingdoms: $Parazoa$ and $Eumetazoa$. $Parazoa$ includes multicellular organisms that lack tissue-level

Vedclass · Accepted Answer

Parazoa

Vedclass · Answer

(A) The animal kingdom is divided into two sub-kingdoms: $Parazoa$ and $Eumetazoa$. $Parazoa$ includes multicellular organisms that lack tissue-level organization,such as sponges ($Phylum$ $Porifera$). In these organisms,cells are loosely aggregated and do not form tissues or organs. $Protozoa$ are unicellular organisms,not metazoans. $Eumetazoa$ refers to animals that possess true tissues. Therefore,the correct answer is $A$.

Metazoans without tissue grade organization are called as

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