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Cards In This Set
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Define pseudocoelomate
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Cavity
derived from blastocoel (not from within mesoderm), so not enclosed entirely by
mesoderm & hence, not a true coelom.
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Fluid filled cavity provides
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Hydrostatic support
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Spell the phyla of pseudocoelomate
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Rotifera, Bryozoa/Ectoprocta, Nematoda
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Pseu. are ...
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Triploblastic, protostomes with a complete gut
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Pseu. have...
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No vascular system and protonephridial excretory system
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Pseu. have ___ to anchor muscles
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Cuticle
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Pseu., some exhibit eutely meaning that they...
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Have a fixed number of cells per species
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Rotifera have a ciliated _____ which functions in ____
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Corona; prey capture
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Rotifera are mostly ___
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Freshwater
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Many Rotifera endure dessication and temperature changes by _______
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Encystment
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Rotifera have an external _____ secreted by syncytial epidermis
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Cuticle
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Rotifera have a large _____ ________ filled with fluid and a network of amoeboid cells
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Hydrostatic pseudocoel
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 Identify the corona, mouth, mastax, pedal glands, anus |
 Find them |
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What is the mastax
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A muscular pharynx with chitinous "jaws" called trophi
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What do pedal glands do
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Secrete an adhesive for substrate attatchment
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