Ecology. by: Janelle Willson

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Across
  1. 2. Lying right under the surfaces soil.
  2. 4. Describes how energy and nutrients move through an ecosystem.
  3. 6. The variability of life on earth.
  4. 9. organisms that break down dead or decaying organisms.
  5. 11. The solid outer part of the earth.
  6. 12. Gets eaten by other animals.
  7. 13. A thin shell on the outside of earth.
  8. 14. The autotrophs capable of producing organic compounds from light energy.
  9. 15. non-living part of an ecosystem.
  10. 17. All waters on earths surface.
  11. 18. They regulate lower species in the food chain.
Down
  1. 1. Made up of the parts of earth where life exists.
  2. 3. where 95% of food grows.
  3. 5. The layers of gases surrounding a planet or other celestial.
  4. 7. A living part of an ecosystem.
  5. 8. A group on organisms that can interbreed.
  6. 9. A class room full of children of different backgrounds.
  7. 10. Organisms that feed either directly or indirectly on producers.
  8. 14. Converts light energy into chemical energy.
  9. 16. Solid rock within the earths crust.