Ecology

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Across
  1. 4. warm areas that receive direct sunlight all year long
  2. 8. an abundance of this is damaging the Ozone Layer
  3. 10. the last mass extinction happened 65 ___ years ago
  4. 11. event where multiple species go extinct
  5. 12. level of Earth where all life exists
  6. 13. molecule composed of 3 atoms of oxygen
  7. 15. cold areas where the sun’s rays strike Earth at a low angle
  8. 16. this man begun the field of ecology
Down
  1. 1. Fuels coal,oil and natural gas
  2. 2. burning Fossil Fuels releases this
  3. 3. The Ozone Layer protects earth from _____ radiation from the sun
  4. 5. year-after-year conditions of temperature
  5. 6. study of interactions of organisms
  6. 7. even a small amount of UV is harmful in the form of this
  7. 9. Gases in the atmosphere that trap energy from the sun, heating up Earth
  8. 14. day-to-day condition of the atmosphere