Natural resources

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Across
  1. 2. This is the study of the environment
  2. 6. the amount of one species in an area
  3. 9. when new landforms
  4. 11. web a web that shows which organism eats what
  5. 13. biological community formed where no life was formed
  6. 16. organisms choosing who is the superior organism out of all
  7. 18. an organism that gives off nutrients for other organisms to feed off of
Down
  1. 1. variety of species in the world
  2. 3. when two organisms work together but only one benefits
  3. 4. when one organism benefits from the other and the other one gets hurt
  4. 5. the different regions of surface that organisms live on
  5. 7. when two organisms use each other to both benefit
  6. 8. living organisms
  7. 10. a group of species that are commonly found together
  8. 12. the organism that feeds off of the producer
  9. 14. a key used to figure out and sort which animal is which
  10. 15. a community of organisms that live in the same environment
  11. 17. non-living organisms