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sci.voc.5-9-08
Science Vocabulary May 9th 2008
| word | meaning |
|---|---|
| chordate | the phylum whose members have a notochord, a nerve cord, and slits in their throat area at some point in there lives |
| notochord | a flexible rod that supports a chordates back |
| cartilage | a flexible, strong tissue that is softer than bone |
| vertebrae | the bones that make up the backbone of an animal |
| ectotherm | an animal whose body does not produce much internal heat |
| endotherm | an animal whose body controls and regulates its temperature by controlling the internal heat it produces. |