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chaper 3-4
| Question | Answer |
|---|---|
| cnidarian | a radial invertebrate that uses stinging cells |
| mollusk | a invertebrate with soft skin and unsegmented bodys |
| arthropod | an invertebrate that has a external skeleton,and segmented body |
| exoskeleton | external skeleton |
| echinoderm | a radial invertebrate that has a internal skeleton and fluid systems |
| endoskeleton | internal skeleton |
| chordate | an animal that has a notochord |
| notochord | a flexible rod that replaces the backbone |
| vertabra | the bones used to make up a backbone |
| ectotherm | a animal whose body heat is little to none so it depends on the envoirment |
| endotherm | a animal whose body temperature is made by them selves but is effected by the envoirment |
Created by:
timmygabriel
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