Ecosystems Vocab

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Across
  1. 2. shows all pathways of energy and matter moving through the ecosystem
  2. 3. each step in a food chain or food web
  3. 9. usable power
  4. 11. organism that makes its own food
  5. 13. eats all types of organisms
  6. 15. eats only other organisms
  7. 17. energy cannot be created or destroyed but can change form
  8. 19. amount of matter in living things
Down
  1. 1. all living species in an ecosystem
  2. 4. environmental factor that tends to limit population size
  3. 5. matter cannot be created or destroyed
  4. 6. a group of one type of species in an area
  5. 7. eats only plants
  6. 8. shows the pathway of energy and matter from one organism to another
  7. 10. organism that can interbreed with each other and produce fertile offspring
  8. 12. breaks down dead organisms into simple parts
  9. 14. a material substance that occupies space and has mass
  10. 16. organism that eats other living things
  11. 18. all of the living and nonliving factors in an environment