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lesson 4

QuestionAnswer
chordate an animal that has a notochord, a nerve cord, and throat pouches at some point in its life.
notochord a flexible rod that supports a chordate's back just below the nerve cord.
vertebra the bones that make up the backbone of an organism. In humans, one of the 26 bones that make up the backbone.
ectotherm an animal whose body temperature is determined by the temperature of its environment.
endotherm an animal whose body temperature is regulated by the internal heat the animal produces.
3 characteristics of chordates notochord, a nerve cord and pouches in the throat area.
difference between ectotherm and endotherm ectotherm can't control internal body temperature, and it changes with the environment, amphibians, reptiles, fishes Endotherm control their own internal body temperature, birds and mammals.
Created by: user-1973064
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