natural resources crossword!

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Across
  1. 7. a person or thing that eats or uses something.
  2. 8. an association between two organisms in which one benefits and the other derives neither benefit nor harm.
  3. 10. an important scientific tool, used to identify different organisms, based the organism's observable traits
  4. 11. the variety of life in the world or in a particular habitat or ecosystem.
  5. 12. all the inhabitants of a particular town, area, or country.
  6. 14. symbiosis that is beneficial to both organisms involved.
  7. 15. not derived from living organisms.
  8. 16. relating to or resulting from living things
  9. 17. where plants, animals, and other organisms,live together
Down
  1. 1. habitat after a major significantly alters an area
  2. 2. the Earth's surface where life exists.
  3. 3. the process whereby organisms better adapted to their environment tend to survive and produce more offspring
  4. 4. grows, or supplies goods or commodities for sale.
  5. 5. a system of interlocking and interdependent food chains.
  6. 6. a group of people living in the same place
  7. 9. plants and animals first colonize a barren, lifeless habitat.
  8. 13. the practice of living as a parasite in or on another organism.