Across
- 7. Process by which organisms change over generations
- 9. Structures that have the same origin but different functions
- 14. Process where organisms with favorable traits survive and reproduce more
- 15. Ability of an organism to survive and reproduce
Down
- 1. Transfer of genes from one population to another
- 2. Separation of populations preventing interbreeding
- 3. Scientist who explained evolution through natural selection
- 4. Remains or impressions of organisms from the past
- 5. Process by which new species are formed
- 6. Feature that helps an organism survive in its environment
- 8. Process of choosing individuals with advantageous traits
- 10. Random change in gene frequency in a small population
- 11. Differences in characteristics among individuals of the same species
- 12. Structures that have different origins but similar functions
- 13. Sudden change in genetic material that can be inherited