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Disciplinary attitudes to the three levels of analysis
| Level in hiearchy | Typical rank emphasis of research area (1 is highest importance) | ||||
|---|---|---|---|---|---|
| Natural history | Molecular biology | Mathematical biology | Biochemical origins | Principles of life | |
| Level 3: optimization | 2 | 3 | 1 | 2 | 1 |
| Level 2: constraints | 1 | 2 | 2 | 3 | x |
| Level 1: materials | 3 | 1 | 3 | 1 | y |
