definitions

• What is a habitat?

  The place where an organism lives
• What defines a population?

  All organisms of one species in a habitat
• What is a community in ecological terms?

  Populations of different species in a habitat
• What are abiotic factors?

  Non-living factors of the environment eg temperature.
• What are biotic factors?

  Living factors of the environment eg food.
• What is an ecosystem?


  Interaction of a community of living organisms (biotic) and non living (abiotic) parts of their environment.
• How do organisms compete for resources?

  • Compete for food
  • Compete for space
  • Compete for mates
  • Compete for water