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Unit 6 Concept Map (trophic levels (primary producers, primary consumers,…
Unit 6 Concept Map
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Nutrient cycles
water cycle - cycle of processes by which water circulates between the earth's oceans, atmosphere, and land
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nitrogen cycle - series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms
phosphorus cycle - biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere
density factors
density-dependent factors - Any factor limiting the size of a population whose effect is dependent on the number of individuals in the population
population growth - An increase in the number of people that reside in a country, state, county, or city
density - independent factors - Any factor limiting the size of a population whose effect is not dependent on the number of individuals in the population
carrying capacity - the number or quantity of people or things that can be conveyed or held by a vehicle or container
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