Across
- 5. brain of cell
- 7. your genes that come from ancestors
- 9. contains all of the organisms and abiotic factors
- 11. genes that come from previous family
- 14. protects the cell
- 16. the system that helps you lift weights
- 17. a specific animal
- 18. two substances or more mixed
- 20. how much of one organism
Down
- 1. periodic table
- 2. nerves that are outside the central nervous system
- 3. a molecule of different elements
- 4. your characteristics
- 6. makes food in the cell
- 8. storage unit in cell
- 10. the system that helps you breathe
- 12. nucleus in the human
- 13. has a ph of less than 7
- 15. a trait that takes over
- 19. all of the organisms in one small area