Across
- 3. maintain internal balance
- 8. this is what I change
- 9. used to help support a claim
- 11. answer to a question supported by evidence.
Down
- 1. this is what I observe
- 2. no organelles
- 4. this includes both independent and dependent variables
- 5. asexual or sexual
- 6. contains organelles
- 7. a reaction that uses oxygen and sugar to make carbon dioxide and water
- 10. simplest form of life
- 12. has mass and volume