b7 - ecology

• define abiotic factor


  non-living factor that can affect organisms
• types of abiotic factors


  1. light intensity
  2. temperature
  3. moisture levels
  4. soil pH and mineral content
  5. wind intensity and direction
  6. carbon dioxide levels
  7. oxygen levels for aquatic animals
• abiotic factor affecting community: light intensity


  light is required for photosynthesis.

  the rate of photosynthesis affects the rate at which the plant grows.

  plants can be food sources or shelter for many organisms.