Crossword puzzle title

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Across
  1. 2. A larger organism that harbours a smaller organism.
  2. 7. Hunts
  3. 8. The place where an organism makes its home
  4. 13. All the inhabitants of a town, area or country
  5. 16. Organism that depends on other organisms for food
  6. 17. Non-living parts of an ecosystem
  7. 18. The study of relationships between living things and their environment
  8. 20. Dead organisms consumers
  9. 21. Living inside a host
  10. 23. Organism that makes their own food
  11. 24. A sequence of food chains
  12. 25. Community of living organisms and their environment
Down
  1. 1. A social unit of people with shared characteristics
  2. 3. A living being
  3. 4. Global ecological system
  4. 5. The food source for heterotrophs
  5. 6. Organism that can't make their own food
  6. 9. Living parts of an ecosystem
  7. 10. An organism that breaks down dead or decaying organic matter
  8. 11. Gets hunted
  9. 12. the position of a group of organisms in the food chain or food web
  10. 14. A linear sequence of organisms through which nutrients and energy pass as one organism eats another
  11. 15. Consumes meat to survive
  12. 19. Consumes plants to survive
  13. 22. May consume both plants and meat to survive