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