Science Chapter 5 Vocabulary

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Across
  1. 3. The loss of an entire species
  2. 7. To process used products into new ones by reusing the materials
  3. 8. The process of changing nitrogen into a form that plants can use (2 words, don't add space)
  4. 9. The movement of nitrogen throughout both living and nonliving parts of ecosystems (2 words, don't add space)
  5. 10. To use a resource after it has already been used
  6. 12. A resource that can't be replaced, at least not within a human lifetime (2 words, don't add space)
  7. 15. An area of land that is covered by water all or most of the time
  8. 16. The movement of carbon throughout Earth's ecosystems as solids, liquids, or gases (2 words, don't add space)
  9. 17. The careful use of resources to ensure that they will last as long as possible
  10. 18. A species that is decreasing in number but not yet endangered (2 words, don't add space)
  11. 19. A species with so few individuals that it could go extinct (2 words, don't add space)
Down
  1. 1. The gradual long-term change of species in an ecosystem
  2. 2. To use less of a resource
  3. 4. A useful resource found in nature (2 words, don't add space)
  4. 5. The type of succession that occurs when a majority, but not all, of the plants in an area are removed (2 words, don't add space)
  5. 6. A chemical compound containing carbon(2 words, don't add space)
  6. 11. The type of succession that occurs when plants first take root in an area with no life in it (2 words, don't add space)
  7. 13. A resource that can be replaced within a human lifetime (2 words, don't add space)
  8. 14. An organism that is not native to the ecosystem it is in (2 words, don't add space)