Organism and their environment

Edit Answers
1234567891011121314151617181920212223
Across
  1. 2. all of the populations of different species in ecosystem
  2. 5. adjusting phase
  3. 7. a group of organism of one species, living in the same area at the same time
  4. 11. turn nitrates and ammonia in the soil as nitrogen gas
  5. 13. form of nitrogen in the air
  6. 14. nitrogen is important to make ...
  7. 15. stop growing phase
  8. 17. last phase of growth in bacteria
  9. 19. a unit containing all of the organism and their environment, interacting together in given area
  10. 21. lion, snake
  11. 22. cannot readily react with other substance
  12. 23. presence in all organic matter (Carbohydrate, protein, fats)
Down
  1. 1. turn ammonium ions into nitrates
  2. 3. autotroph
  3. 4. the area where an organism lives
  4. 6. NH3
  5. 8. lost in respiration
  6. 9. gets energy from dead or organic waste
  7. 10. gets energy by eating plant
  8. 12. a network of interconnected food chains
  9. 16. nitrogen gas lightning result
  10. 18. growing phase
  11. 20. growth curve