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_____ are masses of cells full of pores. porifera: sponges cnidaria: stingers platyhelminthes: flatworms nematode: roundworms mollusca: mollusks

User Onen Simon
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5 votes
____ are masses of cells full of pores.
- porifera: sponges
User Rpascal
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2 votes
porifera: sponges, they have a mass of cells
User KingCrunch
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