Across
- 3. populations of different species interacting with each other
- 4. group of organisms in the same speicies
- 5. organism that only eats plants
- 9. an organism deriving its nutritional requirements from complex organic substances.
- 11. natural environment where an organism lives
- 12. a community of organisms and their physical environment interacting together
Down
- 1. info. Learn more
- 2. an organism that is able to form nutritional organic substances from simple inorganic substances
- 4. organisms that make their own food
- 6. all living things on earth
- 7. the scientific study of how living things interact with each other and their environment
- 8. levels of the food chain
- 10. living things
- 13. organism that needs to eat food