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In Sponges : 1. Digestion is extracellular. 2. The body is supported by a skeleton made up of spicules or spongin fibres. 3. Sexes are separate Regarding 1,2 and 3:

( a ) 3 is correct but 1 and 2 are incorrect
( b ) 1 is incorrect but 2 and 3 are correct
( c ) 2 is correct but 1 and 3 are incorrect
( d ) 1 is correct but 2 and 3 are incorrect
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(C) is the right answer.

In Sponges : Digestion is intracellular. The body is supported by a skeleton made up of spicules or spongin fibres. Sexes are not separate (hermaphrodite), i.e., eggs and sperms are produced by the same individual.
answered Mar 20, 2014 by pady_1
 

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