Examine the figures A, B and C. In which one of the four options all the items A, B and C are correctly identified ?
A. A - Sycon, B - Euspongia, C - Spongilla
B. A - Euspongia, B - Spongilla, C - Sycon
C. A - Spongilla, B - Sycon, C - Euspongia
D. A - Euspongia, B - Sycon, C - Spongilla
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Correct Answer : A.
All the figures (A, B, and C) are the examples of porifera phylum. A, B and C are respectively Sycon, Euspongia (also called horny sponge) and Spongilla. They are primitive, sessile, aquatic, water dwelling filter feeders that pump water through their bodies to filter out particles of food matter.