Across
- 2. Humans guiding the breeding of organisms.
- 3. Structural, behavioral, or physiological traits that help survival.
- 8. When two populations develop enough genetic differences to become separate species.
- 10. The variety of life in an area.
- 12. Occurs when females choose mates based on certain traits or behaviors.
- 13. Physical resemblance to another species for protection.
- 14. The specific environment an organism lives in.
- 15. Organisms competing for the same resource or mate.
- 17. An individual living thing.
- 18. A trait that increases survival or reproduction tends to become more common through this process.
- 19. Variety of genes within a population.
Down
- 1. Resources that restrict population growth.
- 4. When unrelated species evolve similar traits.
- 5. All the living and nonliving things that interact in a particular place.
- 6. A group of organisms of the same species in an area.
- 7. The area on and around Earth where life exists.
- 9. Nonliving factors in an environment.
- 11. Study of relationships between organisms and their environment.
- 16. When one organism hunts and kills another.