Across
- 2. evolution towards different traits
- 3. genetic characteristics
- 6. selection towards one extreme
- 7. speciation within the same area
- 9. selection towards the mean
- 11. alleles moving between different populations
- 12. selection towards both extremes
- 13. speciation because of geographic barrier
- 14. speciation because of geographic barrier
Down
- 1. evolution towards a similar trait
- 4. the changing of allele frequencies due to random mating
- 5. same design, different function
- 8. same function, different design
- 10. physical characteristics
