09 bio 03

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09 bio 03

  1. 1. Biotic and Abiotic FactorsA bird:Biotic or Abiotic? Biotic 1
  2. 2. Biotic and Abiotic FactorsA bird’s nest:Biotic or Abiotic? Biotic 2
  3. 3. Biotic and Abiotic FactorsFungii:Biotic or Abiotic? Biotic 3
  4. 4. Biotic and Abiotic FactorsPebbles:Biotic or Abiotic? Abiotic 4
  5. 5. Biotic and Abiotic FactorsA shoelace:Biotic or Abiotic? Abiotic 5
  6. 6. Biotic and Abiotic FactorsAn elephant:Biotic or Abiotic? Biotic 6
  7. 7. Biotic and Abiotic FactorsElephant poop:Biotic or Abiotic? Biotic 7
  8. 8. Biotic and Abiotic FactorsElephant remains:Biotic or Abiotic? Biotic 8
  9. 9. Biotic and Abiotic FactorsElephant footprint:Biotic or Abiotic? Abiotic 9
  10. 10. Biotic and Abiotic FactorsWind:Biotic or Abiotic? Abiotic 10
  11. 11. Biotic and Abiotic FactorsTemperature:Biotic or Abiotic? Abiotic 11
  12. 12. Biotic and Abiotic FactorsGrass:Biotic or Abiotic? Biotic 12
  13. 13. Biotic and Abiotic FactorsSand/Dirt:Biotic or Abiotic? Abiotic 13
  14. 14. Biotic and Abiotic FactorsRain/A Lake:Biotic or Abiotic? Abiotic 14
  15. 15. Biotic and Abiotic FactorsCoral:Biotic or Abiotic? Biotic 15
  16. 16. Biotic and Abiotic FactorsBiotic factors are living things, their remains, and physical features associated with their activites. 16
  17. 17. Biotic and Abiotic Factors Abiotic factors are non-livingphysical and chemical components of an ecosystem. 17
  18. 18. Think. Pair. Share.Put the following groupings in order from smallest tolargest:- Ecosystem- Organism- Biosphere- Community- Population 18
  19. 19. Ecosystem HierarchyIndividual organisms of different types live inan ecosystem. 19
  20. 20. Ecosystem HierarchyAll of the organisms of the same species inan area form a population. 20
  21. 21. Ecosystem HierarchyIndividuals from all of the populations form acommunity. 21
  22. 22. Ecosystem HierarchyAn ecosystem is a community and itsinteractions with its abiotic environment. 22
  23. 23. Ecosystem HierarchyLargerSmaller 23
  24. 24. Ecosystem HierarchyLargerSmaller 24
  25. 25. Ecosystem Review – DO NOT COPY What are the abiotic and biotic features of the boreal forest? 25
  26. 26. Ecosystem Review – DO NOT COPY What are the abiotic and biotic features of the boreal forest? Abiotic features: •Long, cold winter season •Warm summers •Moderate rainfall •Much of the precipitation is snow •Snow insulates and protects ground species 26
  27. 27. Ecosystem Review – DO NOT COPY What are the abiotic and biotic features of the boreal forest? Biotic features: •Few species •Mainly black spruce forest and bogs •Black bears, red squirrels, and moose •Many biting flies •Reduced ecosystem productivity due to short growing season 27
  28. 28. Ecosystem Review – DO NOT COPY What are the abiotic and biotic features of a beaver pond? 28
  29. 29. Ecosystem Review – DO NOT COPY What are the abiotic and biotic features of a beaver pond? Abiotic features: •Shallow water •Warm water in summer, ice- covered in winter •Temporary, but lasting years to decades •May break, causing flooding downsteam 29
  30. 30. Ecosystem Review – DO NOT COPY What are the abiotic and biotic features of a beaver pond? Biotic features: •Community of plants, fish, frogs, turtles, insects, and beavers •Surrounding forest is a food supply for the beavers •Flooding kills trees, which are then used by species as food or shelter. 30
  31. 31. SustainabilityWhat does it mean to sustain something? 31
  32. 32. SustainabilityA sustainable ecosystem is an ecosystem thatmaintains itself through natural ecologicalprocesses. 32
  33. 33. SustainabilityIt can stay the same and preserve itself over a longperiod of time. 33
  34. 34. SustainabilityAre we living sustainably? 34
  35. 35. SustainabilityWhat are some ways humans are making some ecosystemsunsustainable? 35
  36. 36. SustainabilityExamples:LitteringPollutingLogging 36
  37. 37. SustainabilityHumans can also make artificialecosystems which are notsustainable. We must maintainthem ourselves. 37
  38. 38. SustainabilityWe are all connected to the ecosystems we live inand they influence many aspects of our lives.
  39. 39. SustainabilityEcosystems provide wealth for many people, andcan affect our health and our moods. 39
  40. 40. SustainabilityWhat are 2 ways that ecosystems affect our:•Wealth?•Health?•Moods? 40
  41. 41. SustainabilityWhat are 2 ways ecosystems affect our:•Wealth?- Wood and forestry industry.- Mining industries.•Health?-People living in smoggy cities more likely to have asthma.-People that live at high altitudes breathe thinner air and havemore red blood cells.•Moods?Some ecosystems experience longer winters or more rainy days:- Seasonal Affective Disorder (SAD): depression caused byincreasing dark hours and drop in temperature that comes withfall/winter.- Rainy day “blahs” versus bright sunny days. 41

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