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Key Terms set 1

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31221974AbioticNonliving; referring to physical and chemical properties of an environment
31221975abyssal zoneThe part of the ocean's benthic zone between 2,000 and 6,000 m deep
31221976Aphotic zoneThe part of an ocean or lake beneath the photic zone, where light does not penetrate sufficiently for photosynthesis to occur
31221977Benthic zoneThe bottom surface of an aquatic environment
31221978BenthosThe communities of organisms living in the benthic zone of an aquatic biome
31221979BiomesAny of the world's major ecosystems, often classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment
31221980BiosphereThe entire portion of Earth's inhabited by life; the sum of all the planet's ecosystems
31221981Biotathe living plants (flora) and living animals (fauna) of a region
31221982BioticPertaining to the living organisms in the environment
31221983CanopyThe uppermost layer of vegetation in a terrestrial biome
31221984ChaparralA scrubland biome of dense, spiny, evergreen shrubs found at midlatitudes along coasts where cold ocean currents circulate offshore; characterized by mild, rainy winters and long, hot, dry summers
31221985ClimateThe long-term prevailing weather condition at a locality
31221986ClimographA plot of the temperature and precipitation in a particular region
31221987CommunityALl the organisms that inhabit a particular areal an assemblage of populations of different species living close enough together for potential interaction
31221988Community ecologyThe study of how interactions between species affect community structure and organization
31221989Coniferous forestthe worlds largest biome; during the summers, the soils remains very wet and is an ideal place for mosses to grow; found north of the deciduous forests
31221990Coral reefTypically a warm-water, tropical ecosystem dominated by the hard skeletal structures secreted primarily by the resident cnidarians. Some reefs also exist in cold, deep waters
31221991Deep-sea hydrothermal ventA dark, hot, oxygen-deficient environment associated with volcanic activity on or near the seafloor. The producers in a vent community are chemoautotrophic prokaryotes

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