Biotic pathway refers to the transfer of energy or materials between living organisms within an ecosystem.
Food Chain: A linear sequence of organisms where each organism serves as a source of food for the next organism.
Trophic Level: Each level in a food chain or web representing an organism's position in the energy flow.
Decomposition: The breakdown of dead organic matter by bacteria and fungi, releasing nutrients back into the ecosystem.
AP Environmental Science - 1.5 The Nitrogen Cycle
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