Across
- 3. _________ selection - breeding animals for specific traits
- 6. __________ selection - beneficial adaptations allow individuals to produce more offspring
- 7. structures that serve little or no purpose in an organism
- 9. the process of biological change by which descendants differ from their ancestors
- 11. theory that states that natural disasters have always shaped earth's surface
- 14. structures that have the same origin but serve different functions
- 15. ability to survive and produce more offspring
Down
- 1. scientist who created binomial nomenclature
- 2. bird that Darwin studied on the Galapagos Islands
- 4. H.M.S.__________ Charles Darwin's ship
- 5. the differences between one individual and the others in its group
- 8. process that by which changes in landforms occur slowly over time
- 10. genes that control the development of specific structures
- 12. structures with different origins that serve the same purpose
- 13. genes that no longer serve a function in an organism