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9 Cards in this Set

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  • Back
organism that obtains its energy by feeding on dead organisms or wastes
detritivore
organism that causes decay
decomposer
a network of interconnected food chains in an ecosystem
food web
capacity for doing work; the ability to move or change matter
energy pyramid
the dry weight of tissue and other organic matter found in a specific ecosystem
biomass
cycle in which a substance, such as carbon or water, enters into an environment's living reservoir where it remains for a certain period of time and is returned to a nonliving reservoir
biogeochemical cycle
water found beneath Earth's surface
ground water
loss of water from a plant through its stomata
transpiration
process of combining nitrogen gas w/ hydrogen to form ammonia
nitrogen fixation