Organisms attached to substratum generally possesses [CBSE PMT 1995] – McqOptions

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1.	Organisms attached to substratum generally possesses [CBSE PMT 1995]
A.	Asymmetrical body
B.	Radial symmetry
C.	One single opening of digestive canal
D.	Cilia on the surface to create water current
Answer» C. One single opening of digestive canal

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