Animals having a well-marked digestive cavity | vedclass

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(B) Animals are broadly classified into two groups based on the presence or absence of a digestive cavity.$1$. $Parazoa$: These are multicellular anim

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Enterozoa

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(B) Animals are broadly classified into two groups based on the presence or absence of a digestive cavity.$1$. $Parazoa$: These are multicellular animals that lack a well-defined digestive cavity or tissues (e.g.,Porifera).$2$. $Enterozoa$: These are animals that possess a well-marked digestive cavity (enteron) where extracellular digestion occurs. This group includes all multicellular animals except sponges,such as Cnidaria,Platyhelminthes,and higher phyla.Therefore,animals with a well-marked digestive cavity are classified as $Enterozoa$.

Animals having a well-marked digestive cavity are included under:

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