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10 Cards in this Set
- Front
- Back
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Porifera
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-sponges
-feed by flagellated cells called choanocytes -wall has spicules( needles of CaCO3 or SiO2) |
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Cnidaria
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-hydrozoans, jellyfish, sea anemones, corals
-medusa - floating (jellyfish) -polyp - sessile with rising tentacles - only phyla with 2 germ layers -radial body symmetry -one gut opening |
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Platyhemnithes
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-flatworms (planarians, flukes, tapeworms
-1 guy opening -acoelomate |
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Nematoda
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-roundworms
-pseudocoelomate -2 gut openings |
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Rotifera
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-rotifers
-2 gut openings -pseudocoelomoate -filter feeders |
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Mollusca
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-snails, bivalves (clams), octopuses, squids
-coelomate -open circulatory system -protostome |
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Annelida
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-segmented worms, leeches
-coelomate -protostome |
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Arthropoda
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-spiders, insects, crustaceans
-metamorphosis -coelomate -protostome |
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Echinodermata
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-sea stars, sea urchins, sand dollar
-radial -coelomate -deuterostome |
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Chordata
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-vertebrates
-notochord -dorsal hollow nerve cord -pharyngeal gill slits -muscular tail -coelomate -deuterostome |
