Env. Bio Chapter 4- Ecosystem Vocab

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average, year-after-year conditions of temperature and precipitation in a particular region

permanently dark layer of the oceans below the photic zone

symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed

cold climate zone where the sun\'s rays strike Earth at a very low angle

tiny, free-floating organisms that occur in aquatic environments

wetlands formed where rivers meet the ocean

physical, or nonliving, factor that shapes an ecosystem

natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases