1st Nine Weeks Review Crossword Puzzle

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Across
  1. 2. a relationship where organism want the same resource
  2. 3. only eats meat like a lion
  3. 4. the ability to survive
  4. 7. organism that breaks down matter in the ecosystem to recycle it back into the ecosystem like a mushroom or bacteria
  5. 8. an ancestor share by two or more descendent species
  6. 11. eats meat and plants
  7. 12. a relationship between predator and prey
  8. 14. survival of the fittest
  9. 16. organism that makes its own food with photosynthesis
  10. 17. a relationship between a dog and flea
  11. 18. organism that must consume to get energy
Down
  1. 1. non-living
  2. 2. a relationship where one benefits and the other is not harmed
  3. 5. improves survival for organisms
  4. 6. imprints or remains or organisms preserved in sedimentary rock
  5. 9. organism without a backbone like an insect
  6. 10. organism with a backbone like you
  7. 13. living
  8. 15. relationship when a clownfish cleans the sea anenome while protecting the clownfish
  9. 19. the change in organisms over time