Unit 7 - Natural Selection
Across
- 2. An example of a behavioral adaptation
- 3. All of the genetic information in a population
- 7. How common an allele is is called its ______
- 9. Boat that Darwin traveled on
- 10. In any population, only some individuals will survive long enough to _____________
- 11. Proposed that the human population may outgrow their food supply
- 13. A characteristic that will promote an organism“s survival in their environment
- 15. Scientist who wrote a book on natural selection called The Origin of Species in 1859
- 16. Adaptations that change the physical appearance
- 20. The study and development of embryos
- 22. The changes in a group of organisms over time
- 24. Structures that show a similar structure from common ancestry
- 25. Adaptations that change how an organism acts
- 26. Scientist that thought similar species come from a common ancestor and gradually get more complex
Down
- 1. Used by organisms to avoid detection from predators
- 4. Evolution studies how populations ____
- 5. Type of mimicry where two harmful species copy each other
- 6. Islands Darwin is famous for visiting
- 7. Number of years Darwin spent on his voyage
- 8. Adaptations that change an organism“s internal functions
- 12. Scientist who developed a theory of natural selection after studying in Indonesia
- 14. Process where organisms with the strongest traits are more likely to survive
- 17. An example of a vestigial structure in humans
- 18. A group of individuals of the same species that can breed
- 19. Structures that have a similar function but are not from closely related animals
- 21. Type of mimicry where a non-harmful species copies a harmful one
- 23. Structures with no current function