Across
- 2. the study of life
- 3. Different groups of any animals.
- 5. made up of cells working together
- 7. Form of life
- 8. A theory based off observations and a series of test
- 10. made up of tissues working together
- 11. brain of the cell
- 12. An explanation based on evidence but not yet to be proven yet
Down
- 1. helps the body maintain and regulate
- 4. give plants its green color
- 6. comprised up with multiple cells
- 9. protein that speeds up chemical reactions