Across
- 8. helps an organism survive and reproduce
- 9. organism make own food
- 10. basic unit of life
- 12. hair
- 14. one person
- 15. control center
- 17. powerhouse
- 18. network of nerve cells
- 19. supports body
- 20. processes such as growth
Down
- 1. produces heat
- 2. contributes to the survival of the organism
- 3. makes proteins
- 4. Made up of more than one cell
- 5. one cell
- 6. something does
- 7. basic units of structure
- 11. two people
- 13. gets rid of cardon dioxide
- 16. found in plant cells.