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7 Cards in this Set
- Front
- Back
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spicules
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one of the minute calcareous or silicoreous skeletal sponges, radiolarian, soft corrals, and sea cucumbers
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spongin
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fiberous, callagenous material makming up the skeletal network of sponges
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ostia
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pores usually many tiny ones, take in water
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Oscula
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larger pores for water outlet
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Choanocytes
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system of canals, that are lined with pecular flagellated colar cells.
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spongocoel
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central gravity in sponges
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radial canals
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canals along the ambulacra radiating from the ring canal of echinodems
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