Across
- 3. The evolutionary process when populations become distinct species.
- 4. Flow The movement of genes between populations.
- 6. Drift A random change in gene frequency, especially in small populations.
- 7. Overuse of antibiotics has led to resistant forms of these.
- 9. Selection A process where traits increase survival and reproduction over generations.
- 10. Record The progression of species over millions of years found in rocks.
Down
- 1. Anatomy Structures with similar bones but different functions.
- 2. The study of species distribution across the planet.
- 5. The variety of life forms in an ecosystem.
- 8. Inherited traits that increase survival.