Across
- 2. Living things made up of many cells
- 5. Plants with specialized tissues for transporting water and nutrients
- 6. Gas that humans and animals need to breathe
- 9. Non-living particles that can infect cells
- 12. Organisms that produce their own food using sunlight
- 13. Gas that plants use for photosynthesis
- 15. Substances that provide nourishment for growth
- 16. Animals without backbones
Down
- 1. The building blocks of life
- 3. Organisms like mushrooms and molds
- 4. Living things made up of only one cell
- 7. Animals with backbones
- 8. A group of similar cells working together
- 10. Changes that help organisms survive in their environment
- 11. Living things that are not animals, plants, or fungi
- 14. Warm-blooded animals that produce milk