Across
- 3.
- 6. organisms better adapted to their environment tend to survive and produce more offspring
- 8. sudden variation in one or more characteristics caused by a change in a gene
- 9. adaptations that prevent detection and/or recognition
- 11. develop gradually
- 12. different in some ways
Down
- 1. traits that can be passed down allow organisms to adapt to the environment better than other organisms of the same species
- 2. system of ideas intended to explain something
- 4. if an environment changes, the traits that enhance survival in that environment will also gradually change
- 5. the "principle by which each slight variation [of a trait], if useful, is preserved
- 7. Theory of Inheritance of Acquired Characteristics
- 10. the transfer of genetic sequences from one generation to the next