ecology

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Across
  1. 6. animal which only eats meat
  2. 9. animal which only eats plants
  3. 10. describe the processes of carbon dioxide being removed and released into the environment
  4. 11. representation of phase when population growth increasing slowly on graph
  5. 12. of interconnected food chains
  6. 13. describes processes by which nitrogen being constantly removed and released into surroundings
  7. 14. organism which is unable to make their own food
  8. 18. last trophic level
  9. 19. allows us to compare number of organisms present
Down
  1. 1. process where plants and animals releases carbon dioxide into surrounding
  2. 2. allows us to compare total energy
  3. 3. phase when death rate equals birth rate and population size becomes constant, represented on graph
  4. 4. bacteria breaking down nitrates in soil into nitrogen
  5. 5. ammonium compounds converted to nitrates through bacteria
  6. 7. different populations of plants and animals live together and interact to make up ____
  7. 8. animal which eats both plants and meat
  8. 12. represents feeding relationships
  9. 15. organism which get their energy from breaking down dead organisms
  10. 16. organism which only undergo internal decomposition
  11. 17. organism that makes its own food