Biology 8

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Across
  1. 3. Study of interactions
  2. 5. Relationship of organisms
  3. 12. Non-living factor
  4. 13. Energy from the dead
  5. 16. Feeding relationship
  6. 17. Can interbreed
  7. 19. Both meat and plants
  8. 20. Earth
Down
  1. 1. Meat only
  2. 2. One benefits, one unharmed
  3. 4. All feeding pathways
  4. 6. Same species
  5. 7. recycles
  6. 8. One benefits, one harmed
  7. 9. Single pathway of feeding
  8. 10. Both benefits
  9. 11. Food chain step
  10. 14. Specific role
  11. 15. Plants only
  12. 18. Living factor