A sponge can be distinguished from other metazoan animals by the presence of
A
Marine habitat
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B
Choanocytes
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C
Intra cellular digestion
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D
Endoskeleton
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Solution
The correct option is B Choanocytes Choanocytes are cells that line the interior of asconoid, syconoid and leuconoid body type sponges. It contains a central flagellum surrounded by a collar of microvilli, which are connected by a thin membrane.