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17 Cards in this Set
- Front
- Back
All chordates and only chordates have:
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A notochord
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4 Key characters of chordates
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Notochord, a dorsal hollow nerve cord,pharyngeal slits, a muscular post anal tail
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Hemi Chordata
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3 divisions of the body,
pre-oral lobe, collar, trunk |
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Two characteristics shared by Hemi chordata and Chordates
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Dorsal hollow nerve cord, and pharyngeal slits.
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Enteropneusta
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Acorn Worm feeds like earth worms
(deposit feed) or like suspension feeder |
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Amniotes
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a membrane,the amnion,encloses and protects the embryo enabling life independent of the sea
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Tetrapods
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Have four limbs
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Deuterstome development began with the
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Echinoderms
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Sea Urchins and sand dollars belong to which class
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Phylum Echinoderms
Class Echinoidea |
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Brittle stars belong to class?
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Phylum Echinoderms
Class Ophiuroidea |
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Holothuroidea
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Sea Cucumbers
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Crinoidea
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Feather Stars
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What characteristic enabled complex movement in Vertebrates?
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A distinct moving, turning head and a spinal column.
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The sieve that connects echinoderms water vascular system to the environment
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madreporite
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Who has ambulacral grooves
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Star Fish, have tube feet extending from these grooves, they move by hydrostatic pressure.
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Reduced metabolic rate caused by heat
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Estovation
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See if you can add to this list from Dewitts word list
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Password is Osteopath
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