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7 Cards in this Set
- Front
- Back
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vertebrate whose body temp. changes when the environment's temp. changes
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ectotherm
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muscular structure at the end of a developing chordate
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postanal tail
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tubelike structure above the notochord. develops in to the brain and spinal chord
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nerve chord
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supportive framework of bone and cartilage. provides a place for muscle to attach
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endoskeleton
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in developing chordates, the paired openings found between the mouth and digestive tube
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pharyngenal pouches
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firm and flexible structure that extends along the upper part of a chordate's body
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notochord
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tough flexible tissue that joins vertebrae
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cartilage
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