Ecosystems

12345678910111213141516171819202122232425
Across
  1. 2. first organism to live in an area
  2. 7. organisms that eat dead organisms and other waste
  3. 9. plant eaters
  4. 13. a region that can include a number of ecosystems
  5. 14. one organism benefits and the other is harmed
  6. 15. both species benefit
  7. 18. eats the primary consumer
  8. 22. the community reaches a stable point
  9. 23. all of the communities and nonliving factors in an area
  10. 24. consume other organisms for energy
  11. 25. consumer eats the secondary consumer
Down
  1. 1. living parts of an ecosystem
  2. 3. a level on the energy pyramid
  3. 4. eats the producer
  4. 5. one organism benefits while the other is unaffected
  5. 6. an area previously occupied by living things is disrupted then recolonized
  6. 8. non-living parts of an ecosystem
  7. 10. animal eaters
  8. 11. a common pioneer species of primary succession
  9. 12. newly exposed or newly formed rock is colonized by living things for the first time
  10. 16. another word for a producer
  11. 17. one member of a population
  12. 19. the total number of species in a certain area
  13. 20. all of the populations that interact in an area
  14. 21. plant and animal eaters