click below
click below
Normal Size Small Size show me how
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 |