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Science Chapter 2 Unit D Definitions
Science Chapter 2 Unit D Definitions
12
Science
5th Grade
01/18/2013

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Term
carnivores
Definition
a consumer that eats only other animals
Term
condensation
Definition
the process by which water vapor is changed to liquid water
Term
evaporation
Definition
the process by which liquid water changes to water vapor
Term
food chain
Definition
the path of energy transfer from one living organism to another in an ecosytem
Term
carbon dioxide-oxygen cycle
Definition
a natural cycle in which plants and other producers use carbon dioxide and produce oxygen, and living things use oxygen and produce carbon dioxide
Term
cell respiration
Definition
the process of using oxygen to release energy from food
Term
nitrogen cycle
Definition
the cycle throgh which nitrogen gas is changed into compounds that can be used by living things and then is returned to the atmosphere
Term
water cycle
Definition
a continuous process in which water moves between the atmosphere and Earth's surface, including its use by living things.
Term
food web
Definition
the overlapping food chains that link producers, consumers, and decomposers in an ecosytem
Term
herbivores
Definition
a consumer that eats only plants or other producers
Term
omnivores
Definition
a consumer that eats both plants and animals
Term
proteins
Definition
organic compounds that form the structure and control the process that take place in living things.
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