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7 Cards in this Set
- Front
- Back
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Phylum porifera |
Sponges. Simple multicellular organisms (pore bearing) |
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Collar cells |
Circulate water through the sponge |
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Incurrent pore |
Water enters the sponge through this pore |
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Osculum |
Water exists the sponge through this pore |
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Spongin |
Soft network of porting fibers that give shape |
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Spicule |
Tiny hard particles that some sponges have as a structure |
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Gemmule |
Group of amebocytes covered by hard outer covering |
