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Regarding sponges : Match the following and choose the most appropriate option:

A. Digestion 1. not separate
B. Sexes 2. separate
C. reproduce asexually 3. extracellular
D. reproduce sexually 4. intracellular
E. skeleton 5.spicules
6. fragmentation
7. formation of gametes
8. spongin fibres
9. hermaphrodite

( A ) A-3; B-2; C-6; D-7; E-5
( B ) A-3; B-1,9; C-6; D-7; E-5,8
( C ) A-4; B-1,9; C-6; D-7; E-5,8
( D ) A-3; B-1; C-7; D-6; E-8
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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. Sponges reproduce asexually by fragmentation and sexually by formation of gametes.
answered Apr 2, 2014 by pady_1
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