Physical factors that affect organisms and their distriubution

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  • PHYSICAL FACTORS THAT AFFECT ORGANISMS
    • Availability of nutrients
      • lack of nutrients can limit growth
    • Availability of oxygen
      • needed for respiration
      • few organisms survive in low oxygen
    • Availability of carbon dioxide
      • carbon dioxide is needed for photosynthesis
    • Availability of water
      • few organisms survive without water
    • Amount of light
      • green algae and plants need light for photosynthesis
    • Temperature
      • too hot or too cold can kill
      • adaptations needed to survive extreme hot or cold

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