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Science lesson 46
Key Terms
Question | Answer |
---|---|
chordate | vertibrates without jaws are a sub grup in this column |
notochord | a flexible rod that supports a chordate |
vaertabra | backbone |
ectotherm | an animal whch internal heatose does not produce mu |
endotherm | an animal whose body regulates it's own tempature by controlling the internal heat it produces. |