Across
- 1. Ability to survive and reproduce
- 6. Species changes over time, can't mate together any more
- 8. Evolution, slow and constant
- 9. Species that are best fit will do this
Down
- 2. Permanent change in a species over time
- 3. Father of Evolution
- 4. organisms move from one population to another
- 5. changes in gene frequency, significant event
- 7. equilibrium Evolution, irregular rate (stop & go)