Chapter 2 Crossword

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Across
  1. 3. Layer of gases surrounding the earth
  2. 7. Zone around the earth where life can exist
  3. 8. Living things, their remains, and features
  4. 10. Earth's solid outer layer
  5. 11. Non living components of an ecosystem
  6. 12. Organism that makes it's own food by converting sun's energy
  7. 13. Ability to maintain ecological balance
  8. 14. Form of energy converted into chemical energy
  9. 15. Visible form of radiant energy
Down
  1. 1. Sugar and oxygen converted into carbon dioxide and water
  2. 2. All living organisms and their habitat
  3. 4. Ecosystems maintained naturally
  4. 5. Energy travelling through empty space
  5. 6. Sun's energy converted into chemical energy
  6. 9. All of earth's water in solid, liquid, and gas form.