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29/08/2020 6:44 pm
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Organisms, attached to substratum generally possess
(a) radial symmetry
(b) asymmetrical body
(c) single opening of digestive canal
(d) cilia to create water current
1 Answer
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29/08/2020 6:46 pm
(a) radial symmetry
Explanation:
The organisms attached to substratum generally possess radial symmetry. Radial animals are usually sessile, freely floating or weakly swimming.