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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
Created by: dale123456