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Chapter 2 Vocabulary
Life Science Vocab about Living Things
science | Definition |
---|---|
biosphere | life supporting zone at or near the earth's surface |
atmosphere | an envelope of gasses that the earth is surrounded by |
cell | basic unit of living thing that can perform all of life's processes |
metabolism | the constant balance of energy within an organism (eneregy taken in and energy used) |
stimulus | a change that occurs in the environment |
endothermic | an animal that can maintain a constant body temperture |
ectothermic | an animal that has a body temperture that changes according to enviromental changes |
competition | a struggle among living things to get proper amount of food, water,and energy in a living space |
homeostasis | the ability of an organisism to keep conditions inside its body the same even though conditions in the environment may change |