Across
- 7. gradual increase in the complexity of the system
- 8. test the validity of proposed theories and understand
- 9. mathematical methods to formulate quantitative models
- 11. from non-living matter about 4 billion years ago
- 12. as homeostasis
- 13. recognizes the cell as the basic unit of life genes
- 14. processes molecular interactions physiological
- 16. of the science there are certain unifying
- 17. development and evolution Despite the
- 18. mechanisms underlying life and how it appeared and
Down
- 1. open systems that survive by transforming energy and decreasing
- 2. the creation and extinction of species Living organisms
- 3. organisms including their physical structure
- 4. experimental biology performs empirical experiments
- 5. of biology are defined by the research methods
- 6. the basic unit of heredity and evolution as the engine that
- 8. local entropy to maintain stable and vital condition
- 10. and the kind of system studied: theoretical biology
- 13. is the natural science that studies life and
- 15. that consolidate it into single coherent field