Notes
Slide Show
Outline
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Relationships in Ecosystems
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Populations
  • All of the same species in an ecosystem
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Competition
  • All living things compete for
    • Food
    • Space
  • Competition limits population growth


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Limiting Factors
  • Anything that restricts or controls the number of individuals in a population
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Carrying Capacity
  • The largest number of individuals of one species an ecosystem can support
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Symbiosis
  • Any close relationship between species
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Mutualism
  • A relationship in which both species benefit


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Commensalism
  • A relationship in which one species benefits and the other is neither helped nor harmed
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Parasitism
  • A relationship in which one organisms benefits and the other is harmed
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Predator - Prey
  • Predators are consumers that capture and eat other consumers, called prey
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Cooperation
  • Organisms working together toward a common end or purpose