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the process by which ATP is synthesized by using chemicals as an energy souce than light
consumer that primarily eats one specific organism or feeds on a very small number of organisms
model that shows the complex network of feeding relationships and the flow of energy within and sometimes beyond an ecosystem
(also known as the water cycle) pathway of water from the atmosphere to Earth's surface below ground, and back
the movement of a particular chemical through the biological and geological (living and nonliving) parts of an ecosystem
process by which certain types of bacteria convert gaesous nitrogen into nitrogen compounds
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