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6 Cards in this Set
- Front
- Back
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Choancyte
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to move water
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Brackish
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Water
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Commensals
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Small invertebreds
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Spicules
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The rigid skeleton consists of calcareous or support structures.
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Spongin
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one form of collagen
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Pinacoderm
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Water enters canals through a multitude of tiny incurrent pores in the oputer layer of cells.
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