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6 Cards in this Set
- Front
- Back
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phylum echinodermata
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sea stars. brittle stars. sea urchins. sea cucumber
water vascular sys. used in moment attach feeding. |
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phylum chordata char.
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notochord
2. dorsal, hollow nerve cord 3. pharangle gill slits in life cycle 4. postanal tail |
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phly. chordata, sub.p. urochordata
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tunicates. sea squirts, salps, development: tadpolelike larva, settles to bottom, sessile adult
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phylum chortada sub.p. cephalochordata
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lancelets. notochord runs length of the body. is ventral to the hollow, dorsal nerve cord behind it
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what type of symmetry is found in the phylum echinoderm at a?
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pentaradial in adult, in lava its bilateral
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two fish classes under sub.p. vertebrata
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agnatha and chondrichthyes
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