Across
- 3. Having natural characteristics that help an organism survive long enough to reproduce
- 4. 1st person to propose theory of natural selection
- 6. Descendent you share
- 9. individuals best suited to an environment tend to survive long enough
- 10. Separation due to time
Down
- 1. seperation due to landforms
- 2. Seperation due to organisms
- 5. Change over time
- 7. Explanation with evidence, but it is not factual
- 8. Characteristics that helps to survive and reproduce