BIOLOGY / Animal Kingdom
QID: #10563
Which of the following is incorrect?
Choose Your Option
A. Some division of labour (activities) occur among the cells in the members of phylum Porifera.
B. Division of labour (activities) is completely absent among the cells in poriferans.
C. Open circulatory system is found in Tunicates, hemichordates, and non-cephalopod molluscs.
D. All of these
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