Ecology

• Earth materials:

  1. minerals
  2. rocks
  3. soil
  4. water
• Biodiversity - all the different kinds of life you'll find in one area
• Biotic factors - living or once-living organisms like:

  1. animals
  2. fungi
  3. plants
  4. bacteria
  5. protists
• Abiotic factors - non-living factors that affect the environment and living organisms:

  1. water
  2. air
  3. soil
  4. sunlight
  5. minerals
• Fossil - are from living organism that died a long time ago
• Types of natural resources:

  1. non-renewable resources
  2. renewable resources
• Example of non-renewable resources:

  1. soil
  2. coal
  3. oil
• Example of Renewable resources:

  1. water
  2. sunlight
  3. oxygen
  4. plants
  5. animals
• Types of soil:

  1. loam
  2. sand
  3. clay
• Loam - Mixture of sand, silt, and clay. Ideal for gardeners.
• Sand - consists of small particles of weathered rock.
• Clay - The particles in this soil are tightly packed or intact together with each other with very little or no airspace.