Y9 Ecosystems Crossword

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Across
  1. 1. Cycle ensuring oxygen availability in ecosystems
  2. 5. Organism that feeds on decomposing organic matter
  3. 8. Process plants use to convert sunlight into energy
  4. 11. Total individuals of a species in an ecosystem
  5. 14. Process releasing energy from glucose in cells
  6. 18. Organism transferring pollen for plant reproduction
  7. 19. Relationship where one benefits, other is harmed
  8. 21. Tree with epicormic buds enabling regrowth after fire
  9. 23. Position of an organism in a food chain
  10. 24. Process recycling carbon through ecosystems
  11. 25. Fires essential for germination in some Australian plants
  12. 26. Animal that eats plants
  13. 28. Prolonged water shortage affecting ecosystems
  14. 29. Organism that eats other organisms for energy
  15. 30. Second consumer level in a food chain
Down
  1. 2. Process converting nitrogen for ecosystem use
  2. 3. Living factors affecting an ecosystem
  3. 4. Organism that makes energy through photosynthesis or chemosynthesis
  4. 6. Network showing energy flow between species
  5. 7. Organic matter from decomposed plants and animals
  6. 9. Relationship where both species benefit
  7. 10. Close relationship between two different species
  8. 12. Animal that eats both plants and animals
  9. 13. Organism that produces its own food
  10. 15. Diagram showing energy distribution across trophic levels
  11. 16. Relationship where one benefits, other is unaffected
  12. 17. Non-living factors affecting an ecosystem
  13. 20. Gradual changes in ecosystem composition over time
  14. 22. Organism that relies on others for energy
  15. 27. Animal that eats other animals