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| Tube-dwelling lophophorates; tubes made of chitin; can be solitary or colonial; have hemoglobin; repro sexual or asexual; anus inside ring of tentacles |
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| Phylum Bryozoa (Ectoprocta) |
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| Moss animals; almost always colonial; no respiratory pigments; FW or marine; resemble small corals; lophophore on retractable introvert w/ operculum |
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| Zooid in which the lophophore is replaced by an extension that defends the colony by biting or snapping predators |
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| Type of avicularia with a long bristle with a wide range of motion that can be defensive or clean the colony |
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| Articulate or inarticulate; marine only; have 2 shells/valves with an anterior hinge; pedicle; hemerythrin; always dioecious w/ 4 gonads |
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| Primary zooid from which other zooids bud off |
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| Embryos produced asexuallly by budding off a fertilized embryo |
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| Nonfeeding bryozoan larva |
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| Brachiopod with toothed hinges and simple opening/closing muscles |
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| Brachiopods with untoothed hinges and complex muscle system to keep hinges closed; also rely on hydrostatic pressure |
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| Asexual FW bryozoan reproduction; located in funiculus |
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