abiotic factor

non-living thing in the environment

algal bloom

immediate increase in algae and other producers

biogeochemical cycle

matter is passed from one organism to another and from one part of the biosphere to another


dry weight of living material


large areas with the same type of climax community


part of the Earth in which life exists

biotic factor

organisms in the environment


organism that eats animals


using chemical energy to produce carbohydrates


average, year-after-year conditions of temperature & precipitation in an area


symbiotic relationship in which one organism benefits and the other is not harmed

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