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11.3 Science Vocab.

TermDefinition
amphibian vertebrate that is ectothermic and spends its early life in water.
tadpole the larva of a frog or toad.
lung organs of air-breathing vertebrates in which oxygen gas and carbon dioxide gas are exchanged between the air and the blood.
atria the two upper chambers of the heart that receive blood.
ventricle the lower chamber of the heart which pumps blood out to the lungs and body.
habitat the specific environment in which an animal lives.
Created by: S730503