Across
- 2. small specialized structure
- 6. change over time
- 7. Increase in size
- 9. Involves 2 different parents
- 11. composed of many cells
- 14. traits that help organisms to survive
- 15. Steady internal environment
- 17. reaction
- 18. Involves 1 parent
- 19. passing on of DNA
Down
- 1. Change in form
- 3. biochemical reactions
- 4. smallest unit of life
- 5. signal
- 8. creation of offspring
- 10. study of life
- 12. composed of one cell
- 13. Genetic material
- 16. the ability to do work