Across
- 1. living organism
- 3. a macromolecule that includes sugars, starches, and cellulose
- 4. The study of life.
- 6. a scientific theory
- 9. A cell structure composed of RNA and produces protein.
- 10. Life on Earth
- 11. The smallest unit of an element.
- 12. a group of a species living in an area
Down
- 2. Scientiic explanation, not exactly certain
- 5. Fatty acids and oil is a product
- 7. Process where you maintain stable.
- 8. a large geographical region.