Our Home: Earth, a Unique Life Sustaining Planet

Topics

• Conditions for life

  • Earth’s position and size
  • Atmosphere and magnetic protection
  • Air, water, sunlight and soil
  • Interdependence of living things

• Continuity and threats

  • Asexual reproduction
  • Sexual reproduction
  • Reproduction and continuity of populations
  • Threats to life-supporting systems

Learning objectives

1. Connect a condition that supports life on Earth with the organisms and processes that depend on it.