7.4 POPULATIONS IN ECOSYSTEMS

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6 Terms

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ABIOTIC FEATURES:

  • CO2.

  • O2.

  • H20.

  • Temperature.

  • Salinity.

  • Light.

  • Mineral Ions.

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BIOTIC FEATURES?

  • Pred-Prey relationships.

  • Competition.

  • Parasites.

  • Symbiosis.

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ABUNDANCE?

The number of individuals of a species in a given area.

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COMMUNITY?

All of the organisms/populations present in a habitat.

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LINCOLN INDEX?

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ASSUMPTIONS OF M-R-C?

  • Population size remains same (no births, deaths, immigrations, emigrations).

  • Marks not lost.

  • Marked have enough time to remix with population.

  • Method of marking is not toxic.

  • Method of marking does not increase visibility to predators.