Symbiosis3

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Symbiosis3

  1. 1. COOPERATIVE INTERRELATOINSHIPS IN MISSOURI FORESTS
  2. 2. ECOSYSTEM <ul><li>All the organisms and the non-living environment within a defined area </li></ul>
  3. 3. DESERT
  4. 4. LAKE
  5. 5. COMMUNITY <ul><li>Consists of all the interacting animal populations within an ecosystem. </li></ul>
  6. 6. FOOD WEB
  7. 7. MANY DIFFERENT COMMUNITIES EXIST IN A SINGLE FOREST
  8. 8. SYMBIOSIS <ul><li>Two species living together in close association over an extended time. Also called “symbiotic relationships” </li></ul>
  9. 9. 3 TYPES OF SYMBIOSIS <ul><li>1. PARISITISM </li></ul><ul><li>2. COMMENSALISM </li></ul><ul><li>3. MUTUALISM </li></ul>
  10. 10. PARISITISM <ul><li>A symbiotic relationship where the organism lives in or on their host and does harm to their general well being, sometimes parasites are fatal. </li></ul><ul><li>The parasite benefits, the host does not. </li></ul>
  11. 11. ONE EXAMPLE OF PARISITISM <ul><li>Ticks on a deer. </li></ul>
  12. 12. LEECHES
  13. 13. COMMENSALISM <ul><li>A symbiotic relationship where one species benefits, the other is not affected positively or negatively. </li></ul>
  14. 14. ONE EXAMPLE OF COMMENSALISM <ul><li>Birds nesting in a tree </li></ul>
  15. 15. Certain species of millipede and silverfish inhabit the nests of army ants and live by scavenging on the refuse of their hosts, but without affecting the ants.
  16. 16. MUTUALISM <ul><li>A symbiotic relationship where both organisms benefit from the relationship. </li></ul>
  17. 17. ONE EXAMPLE OF MUTUALISM <ul><li>Bees and flowers </li></ul>
  18. 18. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

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