Ecology Community

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Ecology Community

  1. 1. Community Ecology How species interact with each other.
  2. 2. Types of Interactions <ul><li>Predator-Prey </li></ul><ul><li>Parasitism </li></ul><ul><li>Competition </li></ul>
  3. 3. Predator-Prey <ul><li>A consumer hunts and eats another consumer </li></ul><ul><li>Many factors come into play </li></ul><ul><li>Natural Selection Arms Race </li></ul>
  4. 4. Defense Mechanisms <ul><li>Synthesis of Poisons </li></ul><ul><li>Synthesis of Bitter chemicals </li></ul><ul><li>Evolution of Spines </li></ul><ul><li>Mimicry </li></ul><ul><li>Herbivore-Plant interactions follow a similar patters </li></ul>
  5. 5. Parasite-Host <ul><li>Host is harmed while parasite benefits </li></ul><ul><li>Ectoparasite- live outside the body </li></ul><ul><li>Endoparasite- live inside the body </li></ul><ul><li>Do not try to kill host only weaken </li></ul>
  6. 6. Competition <ul><li>Caused by a fundamental niche overlap </li></ul><ul><li>Often the cause of realized niche placement (competitive exclusion) </li></ul><ul><li>Result in community structure </li></ul>
  7. 7. Symbiosis <ul><li>Mutualism- cooperative relationship where both organisms benefit </li></ul><ul><ul><li>EX: Lichens </li></ul></ul><ul><li>Commensalisim- relationship where one organisms benefits but the other is not helped nor harmed </li></ul><ul><ul><li>EX: Cattle Birds </li></ul></ul>
  8. 8. Succession <ul><li>Organisms appear in a specific sequence in areas where there was initially no life. </li></ul><ul><li>A certain pattern of growth takes place </li></ul><ul><li>Differs based on circumstances surrounding clearing </li></ul>
  9. 9. Food webs
  10. 10. Water Cycle
  11. 11. Carbon Cycle
  12. 12. Nitrogen Cycle
  13. 13. Biomes

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