Competition
Two or more individual organisms of a single species (intraspecific competition) or two or more individuals of different species (interspecific competition) attempting to use the same scarce resources in the same ecosystem.
Subject:
Environmental Science
Forum reference:
Book page:
http://course-notes.org/Environmental_Science
community
Populations of all species living and interacting in an area at a particular time.
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common law
Body of unwritten rules and principles derived from thousands of past legal decisions. It is based on evaluation of what is reasonable behavior in attempting to balance competing social interests. Compare statutory law.
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commercial inorganic fertilizer
Commercially prepared mixture of plant nutrients such as nitrates, phosphates, and potassium applied to the soil to restore fertility and increase crop yields. Also used inorganic fertilizer. Compare organic fertilizer.
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commercial extinction
Depletion of the population of a wild species used as a resource to a level at which it is no longer profitable to harvest the species.
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Commensalisms
Interaction between organisms of different species in which one type of organism benefits and the other type is neither helped nor harmed to any great degree. Compare mutualism.
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cold front
Leading edge of an advancing mass of cold air. Compare warm front.
Subject:
cogeneration
Production of two useful forms of energy, such as high-temperature heat or steam and electricity, from the same fuel source.
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Coevolution
Evolution in which two or more species interact and exert selective pressures on each other that can lead each species to undergo various adaptations. See evolution, natural selection.
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coastal zone
Warm, nutrient-rich, shallow part of the ocean that extends from the high-tide mark on land to the edge of a shelflike extension of continental land masses known as the continental shelf. Compare open sea.
Subject:
Pages
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