biology

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