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Which one of the following is not a characteristics feature of sponge ?A. Cellular level of organisationB. Presence of ostiaC. Intracellular digestionD. Body supported by chitin |
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Answer» Correct Answer - D The sponges possess an endoskeleton in the form of calcareous spicules, siliceous spicules and spongin fibres, But not by chitin. |
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