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Related Flashcards
Cards In This Set
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Spell the sponge phylum
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Phylum Porifera
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Spell the 6-sided, glass sponges class
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Class Hexactinellida
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Spell the class of sponges which compose 90% of all sponges, are mostly marine and mostly leuconoid
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Class Demospongiae
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Spell the class of sponges which have three- and four-rayed Calcium Carbonate spicules
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Class Calcerea
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Spell the simplest body type for sponges
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Asconoid
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Spell the intermediate body type for sponges
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Synconoid
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Spell the most complex body type for sponges
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Leuconoid
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Sponges are sessile, meaning that they...
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Are permanently attached at the base and immobile
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What level of organization do sponges have
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Cellular
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Sponges are ____-feeders
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Filter
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____have a collar of microvilli that filter and trap food particles from the flowing water that get ____ by the cell body
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Choanocytes; phagocytized
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The ____ or atrium is lined with flagellated and beating "collar cells" called choanocytes
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Spongocoel
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In asconoid sponge water flows in what order through the sponge
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(many) ostium -> spongocoel -> (one) osculum
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In synconoid sponge water flows in what order through the sponge
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Ostium -> incurrent canal -> prosopyle -> radial canal -> apopyle (multiple cells) -> spongocoel -> osculum
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In leuconoid sponge water flows in what order through the sponge
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Ostium -> incurrent canal -> prosopyle -> flagellated chamber -> apopyle -> spongocoel -> osculum
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