Related Clues:
- Change from time to time
- Don't stay the same
- Exhibit Darwinism
- Word in mileage disclaimers
- Diversify, as a diet
- Change with time
- Change gradually
- Increase in complexity, perhaps
- Develop by gradual changes
- "Prices may ___"
- Results may do this, in commercials
- Disprove creationism, in a way
- Gradually change
- Make or become different
- Change, diverge, deviate