Across
- 2. The “control center” of the cell.
- 5. A community of living and nonliving things interacting.
- 6. A group of similar cells working together.
- 8. An organism that makes its own food.
- 11. The structure where proteins are made.
- 12. Acts as a biological catalyst.
- 13. Structure made of different tissues working together.
- 17. A layer outside the cell membrane that prevents water loss
- 18. Goes from high water concentration to low.
- 20. Can be physical or behavioral.
- 21. An organism that hunts and eats other organisms.
Down
- 1. Driven by natural selection.
- 3. Keeping balance in the body.
- 4. Respiration Process of breaking down glucose to release energy.
- 7. Selectively permeable barrier.
- 9. Happens in chloroplasts using light energy.
- 10. Opposite of predator.
- 14. Shaped like a double helix.
- 15. Organelle where photosynthesis occurs.
- 16. No energy required.
- 19. Known as the “powerhouse of the cell.”