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Population Ecology

Published on Nov 19, 2015

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1.

Population Ecology

Photo by Dvortygirl
2.

Key Terms

  • Organism - A living thing
  • Species - Living things alike enough to reproduce viable offspring
  • Population - All of the individuals of a specific species living in an area
  • Community - All of the various populations living together in one area
Photo by Stuck in Customs
3.

Is this an example of an organism, population or community?

Photo by Keith Marshall
4.

Organism, Population or Community?

Photo by Shaun and Jacki
5.

Organism, Population or Community?

Photo by ninacoco
6.

Obstacles in the Struggle for Existance

  • Competition among population
  • Competition within community
  • Lack of food
  • Predators
  • Disease
Photo by Douglas Brown
7.

Ecosystems require balance

  • Carrying capacity - Maximum # of organisms an ecosystem can support
  • Intedependence - Relationships among organisms within an ecoystem
  • Deplete - Reduce in number
  • Stabilize - Resists change
Photo by Garen M.

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