Across
- 4. different species all living in one area
- 7. gets energy by eating other organisms
- 10. diagram that shows past relationships between different species
- 12. energy makes carbohydrates
- 13. eats dead matter
- 15. one organism benefits, the other is harmed
- 19. nonliving things that influence the environment
- 20. large spot of naturally occurring plants and animals
Down
- 1. eats other organisms
- 2. study of organisms interactions with each other
- 3. eats meat
- 5. variety of life on earth
- 6. breaks down organic matter
- 8. eats plants
- 9. eats meat
- 11. only one organism benefits
- 14. living things that influence the environment
- 16. make their own food from sunlight
- 17. both organisms benefit
- 18. chain series of events when one organism eats another