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animal
Question | Answer |
---|---|
homeostasis | the condition in wich a organism's environment is stable |
vertebrate | animal with a back bone |
adaptation | a inherited behavior or physical characteris |
invertebrate | animal with out a back bone |
tissue | a group of similar cells that help |
organ | made up of tissue |
radial symmetry | a body plan in which any number of lines |
bilateral symmetry | a single line of symmetry |
cnidarian | a radially symmetrical invertebrate |
mollusk | a invertebrate with a soft ,unsegmented body |
arthropod | a invertebrate that has a external skeleton |
exoskeleton | external skeleton (outside) |
echinoderm | a radially symmetrical marine inveterate |
endoskeleton | a internal skeleton (inside) |
chordate | a animal that has a notochord, nerve cord,and throat pouch at some point in its life |
notochord | a flexible rod that supports a chordate back just below the nerve cord |
vertebra | the bones that make up the back bone of a organism |
ectotherm | a animal whose body temperature is determined by the temperature of its environment |
endotherm | a animal whose body temperature is regulated by the internal heat |