Lesson 3 and 4 Word Scramble
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Term | Definition |
cnidarian | a radially symmetrical invertebrate that uses stinging cells to capture food and defend i self |
mollusk | an invertebrate with a soft unsegmented body, most are protected by a hard outer shell |
arthropod | an invertebrate that has an external skeleton, a segmented body, and jointed appendanges |
exoskeleton | External skeleton;a tough,waterproof outer covering that protects ,supports, and helps prevent evaporation of water from the body of many invertebrates |
echinoderm | a radially symmetrical marine invertebrate that has an internal skeleton and a system of fluid filled tubes |
endoskeleton | an internal skeleton ;structural support system inside the body of an animal |
chordate | an animal that has a notochord ,a nerve cord and throat pouches at sometime in it's life |
notochord | a flexible rod that supports a chordates back just below the nerve cord |
vertebra | the bones that make up the backbone of an organisim |
ectotherm | an animal who's body temperature is determined by the temperature of the enviroment |
endotherm | an animal who's body temperature is regulated by the internal heat the animal produces |
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lolkat12
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