Across
- 2. A branch of biology which an organisms relation to its surroundings
- 4. Group of similar organisms living in a one place
- 5. Whole number of a inhabitants in a area
- 6. Organism that eats meat
- 8. Organism that hunts another
- 9. Organism that is able to form organic substances from inorganic substances
- 12. An organism that depends on a living host
- 13. Organism that feeds off dead remains
- 15. The system of how organisms are consumed or consuming
- 16. Organism that eats plants and meat
- 17. system with organisms having their own dependent source of food
- 18. Organism that is hunted
- 19. An organisms place on a food web
- 21. Worldwide sum of ecosystems
- 22. An organism deriving its natural requirements from complex substances
Down
- 1. that is used by a Parasite
- 3. Living things within an ecosystem
- 7. Someone who uses good produced
- 10. Place which an organism lives
- 11. Organism that breaks down dead remains
- 12. Someone who produces resources
- 14. Organism that eats plants
- 16. A living thing
- 20. non living things within an ecosystem