Relationships in ecosystems

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Relationships in ecosystems

  1. 1. Relationships in Ecosystems
  2. 2. Populations <ul><li>All of the same species in an ecosystem </li></ul>www.nkf-mt.org.uk www.intrasystems.gr
  3. 3. Competition <ul><li>All living things compete for </li></ul><ul><ul><li>Food </li></ul></ul><ul><ul><li>Space </li></ul></ul><ul><li>Competition limits population growth </li></ul>www.opim.wharton.upenn.edu
  4. 4. Limiting Factors <ul><li>Anything that restricts or controls the number of individuals in a population </li></ul>www.bahamascommerce.com
  5. 5. Carrying Capacity <ul><li>The largest number of individuals of one species an ecosystem can support </li></ul>www.wwt.org.uk
  6. 6. Symbiosis <ul><li>Any close relationship between species </li></ul>en.wikipedia.org
  7. 7. Mutualism <ul><li>A relationship in which both species benefit </li></ul>Cleaner fish Pollination Lichens: algae + fungus www.biology.clc.uc.edu www.orn.mpg.de www4.tpgi.com.au
  8. 8. Commensalism <ul><li>A relationship in which one species benefits and the other is neither helped nor harmed </li></ul>Barnacles on whale Shark & remora www.community.webshots.com www.cbu.edu
  9. 9. Parasitism <ul><li>A relationship in which one organisms benefits and the other is harmed </li></ul>Tick Mistletoe www.oznet.ksu.edu www.wcosf.org
  10. 10. Predator - Prey <ul><li>Predators are consumers that capture and eat other consumers, called prey </li></ul>http://www.uga.edu
  11. 11. Cooperation <ul><li>Organisms working together toward a common end or purpose </li></ul>http://forger.ca/ http://special.newsroom.msu.edu

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