Across
- 6. the basic unit of structure and function in living things
- 8. the division of organisms into groups based on specific characteristics
- 10. the control center of a cell
- 11. previously the first and largest category in the scientific classification system of organisms
- 13. consumers
- 14. the study of general rules of scientific classification
- 15. Nuclei
Down
- 1. No nucleus
- 2. an organism made of a single cell
- 3. organisms made of many cells
- 4. the second smallest level of classification
- 5. organisms that break down dead organisms
- 7. the maintenance of stable internal conditions
- 9. producers
- 12. the broadest most general level of classification