APES

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Across
  1. 2. a symbiotic relationship where both partners benefit
  2. 4. occurs when too many animals feed on a particular area of land
  3. 9. ammonia is converted to nitrate ions (NO-3)
  4. 11. organisms introduced into area where not native found then dominate in the environment.
  5. 13. nuclei of isotopes split apart when struck by neutrons.
  6. 16. gases that trap the heat within the Earth's atmosphere
  7. 17. any components of ecosystems that are living, such as plants, animals, and bacteria
  8. 18. Energy light and heat from the sun that can be harnessed and converted into usable forms of power
  9. 19. Setting aside undisturbed areas/ maintaining them/protecting them
  10. 20. a cooling of the Pacific Ocean between Papua New Guinea and South America
  11. 21. A representation of the interlocking food chains that connect all organisms.
  12. 24. Waste any material that contains radioactive substances produced as a byproduct from nuclear power generation
  13. 25. energy that comes from a turbine that produces energy from the movement of bodies of water.
  14. 26. Cycle - the process by which carbon is exchanged between the Earth's atmosphere, land, and oceans
  15. 28. capacity - the number of individuals that can be sustained in an area
  16. 29. the process by which plants/autotrophs take in carbon dioxide from the atmosphere and convert it into food
Down
  1. 1. an increase in the number of people living in cities and towns
  2. 3. the movement of soil components, especially surface litter and topsoil from one place to another
  3. 5. a warming of the Pacific Ocean between South America and Papua New Guinea
  4. 6. large distinct terrestrial region having similar climate, soil, plants & animals
  5. 7. any water-bearing layer in the ground
  6. 8. all the different kinds of life you'll find in one area
  7. 10. consists of nonliving components
  8. 12. Perfect agricultural soil with equal portions of sand, silt, clay
  9. 14. the layer in the stratosphere that absorbs most of the potentially hazardous UV radiation that enters Earth's atmosphere
  10. 15. use of resources without depletion of the resources for future generations.
  11. 16. a type of renewable energy that is generated by harnessing the heat from the Earth's core.
  12. 22. clearing Earth's forests on a massive scale, often damaging to the land
  13. 23. The totality of an organism's adaptions, its use of resources, and the lifestyle to which it is fitted
  14. 27. organic, dark material remaining after decomposition by microorganisms.