Across
- 2. collection of all organisms that live in a environment
- 4. the place where Darwin studied for evolution
- 6. subdivisions on the geological scale
- 7. unit of time which are are subdivided
- 9. process where chemical energy is used to make carbohydrates
- 14. scientific study of organisms interacting with other organisms and its environment
- 15. change in a kind of organism over time
Down
- 1. a group of heterotrophs that break down organic matter
- 3. organisms that get their energy from the sun
- 5. scientist who studies fossil
- 8. an organisms ability to survive and reproduce in its environment
- 10. feeding relationships among organisms in an ecosystem
- 11. chemical substance that an organism needs to live
- 12. preserved remains of ancient organisms
- 13. organisms that get their energy from other organisms