Body having meshwork of cells,internal caviti | vedclass

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(D) The correct answer is $D$. Phylum $Porifera$ (sponges) is characterized by a cellular level of body organization. Their body wall contains a meshw

Vedclass · Accepted Answer

Porifera

Vedclass · Answer

(D) The correct answer is $D$. Phylum $Porifera$ (sponges) is characterized by a cellular level of body organization. Their body wall contains a meshwork of cells and internal cavities (spongocoel) lined with specialized flagellated cells known as $choanocytes$ or collar cells,which are responsible for filtering food particles from the water. The development in this phylum is indirect,meaning it includes a free-swimming larval stage (such as $amphiblastula$ or $parenchymula$) before reaching the adult form,which aids in the dispersal of the species.

Body having meshwork of cells,internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of Phylum

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