Ecology

123456789101112131415161718192021
Across
  1. 2. organism responsible for nitrogen fixation
  2. 6. consumer
  3. 8. the process of making ATP from glucose & O2
  4. 11. food, water, space, etc.
  5. 12. source of all energy
  6. 13. burning fossil fuels
  7. 19. anything that restricts a population's growth
  8. 20. the amount of organisms an ecosystem can sustain
  9. 21. a relationship between different species
Down
  1. 1. the breakdown of dead materials
  2. 3. the highest level in a food web
  3. 4. one organism benefits and the other is harmed
  4. 5. hunter
  5. 7. energy as it is passed through a food web
  6. 9. the hunted
  7. 10. a series of intermixed food chains
  8. 14. both organisms benefit from the relationship
  9. 15. one organism benefits, the other is unaffected
  10. 16. the energy level an organism occupies
  11. 17. energy molecule in living organisms
  12. 18. autotroph