Across
- 2. An irreversible increase in size
- 10. Ability to respond to changes in the environment
- 11. The basic unit of living things
- 12. A collection of similar cells grouped together
- 13. Photosynthesis takes place here
- 14. The "brain" of the cell
- 15. Organisms that are made up of only one cell
Down
- 1. Ability to create fertile offsprings
- 3. Release of energy from food
- 4. Different organ systems working together
- 5. The outer layer of a plant cell
- 6. Different tissues working together
- 7. Getting rid of metabolic waste products from the body
- 8. Organisms that are made up of many cells
- 9. Cell respiration takes place here