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  • 1. Principles of Ecology bio 271 2nd lecture www.draloufi.com
  • 2. What is ecology?
  • 3. Review  •  •  Ecology – Environment – Habitat –Community species Population Ecosystem biotic abiotic Ecosystem
  • 4. The Hierarchy of Ecology=Levels of Organization Biosphere Ecosystem Community      Population      species
  • 5. biotic abiotic Ecosystem • 
  • 6. ‫ﺍﻟﻤﻜﻮﻧﺎﺕ ﻏﻴﺮ ﺍﻟﺤﻴﺔ‬ ‫ﻣﻮﺍﺩ ﻏﲑ ﻋﻀﻮﻳﺔ‬ ‫ﻣﻮﺍﺩ ﻋﻀﻮﻳﺔ‬ ‫ﻇﺮﻭﻑ ﺍﻟﺒﻴﺌﺔ ﺍﻟﻄﺒﻴﻌﻴﺔ‬            
  • 7. Abiotic Components Chemical+naturalMedium Climatic factors factors
  • 8. Climatic factors TemperatureWinds Light Humidity
  • 9. Light Effects  •  • Photosynthesis  – phototropism  – Auxins    •  Diurnal animals  Nocturnal animals  –REPRODUCTIVE CYCLE –  Immigration –  •   •
  • 10. Temperature Effects  •  •  :Ectotherms – Endotherms –  • Hibernation – Aestivation – Cooling  –
  • 11. Humidity Effects •  Precipitation •   •  •  • 
  • 12.  Amazing Adaptations   •  – Succulent Plant –  –  • – –  –  –  –
  • 13. Winds   •    •   •   •    –  – 
  • 14. MediumAir water Soil
  • 15.  • –      •    •
  • 16.  Air  •  • 
  • 17.  Water •   •  •
  • 18. Soil •  •    •  •
  • 19. ‫ﺃﻧﻮﺍﻉ ﺍﻟﻨﻈﻢ ﺍﻟﺒﻴﺌﻴﺔ‬  ‫ﺃﻧﻮﺍﻉ ﺍﻟﻨﻈﻢ ﺍﻟﺒﻴﺌﻴﺔ ﺣﺴﺐ ﺍﻟﺒﻴﺌﺔ ﺍﻟﻄﺒﻴﻌﻴﺔ‬ ‫ﺍﻟﻨﻈﻢ ﺍﻟﺒﻴﺌﻴﺔ ﺍﻟﱪﻳﺔ‬ ‫ﺍﻟﻨﻈﻢ ﺍﻟﺒﻴﺌﻴﺔ ﺍﳌﺎﺋﻴﺔ‬           
  • 20. ‫ﻧﻈﺎﻡ ﺑﻴﺌﻲ ﻃﺒﻴﻌﻲ ﻣﺘﻜﺎﻣﻞ‬
  • 21. ‫ﻧﻈﺎﻡ ﺑﻴﺌﻲ ﻏﻴﺮ ﻃﺒﻴﻌﻲ ﺃﻭ ﻏﻴﺮ ﻣﺘﻜﺎﻣﻞ‬‫ﻛﻬﻒ ﺳﺤﻴﻖ‬ ‫ﻗﺎﻉ ﺍﻟﻤﺤﻴﻂ‬
  • 22. ‫ﺃﻧﻮﺍﻉ ﺍﻟﻨﻈﻢ ﺍﻟﺒﻴﺌﻴﺔ ﺣﺴﺐ ﻣﺼﺪﺭ ﺍﻟﻄﺎﻗﺔ‬ ‫ﻧﻈﺎﻡ ﺑﻴﺌﻲ ﻃﺒﻴﻌﻲ‬ ‫ﻧﻈﺎﻡ ﺑﻴﺌﻲ ﺑﺸﺮﻱ‬ ‫ﻧﻈﺎﻡ ﺑﻴﺌﻲ ﺻﻨﺎﻋﻲ‬‫ﻳﺪﺍﺭ ﺑﺎﻟﻄﺎﻗﺔ ﺍﻟﺸﻤﺴﻴﺔ‬ ‫ﻳﺪﺍﺭ ﺑﺎﻟﻄﺎﻗﺔ ﺍﻟﺸﻤﺴﻴﺔ‬ ‫ﻳﺪﺍﺭ ﺑﻄﺎﻗﺔ ﺍﻟﻮﻗﻮﺩ‬                 
  • 23. Talk about camel adaptations
  • 24. Lets see how much you know!Remember the pictures.Think about what we talked about.Think about what you learned.
  • 25. Talk about camel adaptations
  • 26. Photosynthesis. phototropism , Succulent PlantImmigration. Diurnality, NocturnalityDo you know some Immigration animals here?
  • 27. Thankswww.draloufi.com

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