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"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
"Interactions of organisms in ecosystem"
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"Interactions of organisms in ecosystem"

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Watch it to know the different types of ineraction of an organism in a ecosystem,,,,

Watch it to know the different types of ineraction of an organism in a ecosystem,,,,

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Transcript

  • 1. Population – group of individuals of the same species living in the same area, potentially interacting Community – group of populations of different species living in the same area, potentially interacting What are some ecological interactions?
  • 2. Why are ecological interactions important? Interactions can affect distribution and abundance. Interactions can influence evolution. Think about how the following interactions can affect distribution, abundance, and evolution.
  • 3. Types of ecological interactions competition predation parasitism mutualism commensalism symbiosis
  • 4. Competition – two species share a requirement for a limited resource  reduces fitness of one or both species
  • 5. Predation – one species feeds on another  enhances fitness of predator but reduces fitness of prey herbivory is a form of predation
  • 6. Parasitism – one species feeds on another  enhances fitness of parasite but reduces fitness of host
  • 7. Mutualism – two species provide resources or services to each other  enhances fitness of both species
  • 8. Commensalism – one species receives a benefit from another species  enhances fitness of one species; no effect on fitness of the other species
  • 9. Symbiosis – two species live together  can include parasitism, mutualism, and commensalism
  • 10. Organizing ecological interactions effect on species 1 + + effect on species 2 mutualism 0 0 - commensalism predation herbivory parasitism commensalism - predation herbivory parasitism competition competition competition

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