Shayne forester

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Across
  1. 4. feeding no food chain
  2. 5. occurs when competing
  3. 7. final stage
  4. 8. both plants and animals
  5. 9. study of something living
  6. 12. numbers and species
  7. 17. ticks
  8. 18. first to colonize
  9. 19. both benefit
  10. 21. psychical environment
  11. 22. eats grass, plants
Down
  1. 1. factor me, and u
  2. 2. gets hunted
  3. 3. formally inhabitiated
  4. 6. rats, vulture
  5. 7. energy used from chemical compound.
  6. 10. web web of food
  7. 11. species plays a huge role
  8. 13. sun, water, rocks
  9. 14. eats meat
  10. 15. final step in decomposition
  11. 16. harmed by parasite
  12. 20. role of species
  13. 23. total mass of organism