Across
- 2. first letter of CHEER, all life has these
- 5. one living thing
- 7. many different species
- 8. many different species and nonliving things
- 10. over time life adapts to changes
- 11. the smallest level of life, CHON
- 12. living things use the sun or eat food for this
- 13. eats food for energy
- 17. tissues make these
- 18. many of the same species
- 20. makes up tissues
Down
- 1. water is the most important to life
- 3. kind of cells that are complex
- 4. carbs, proteins, lipids, nucleic acids
- 6. uses the sun to make food
- 9. second letter of CHEER, keeps life stable
- 14. organs make these
- 15. a part of a cell
- 16. last letter of CHEER, asexual and sexual
- 19. kind of cells that are simple, unicellular