Across
- 3. Change in DNA
- 5. when an animal or plant is modified by humans
- 6. Part of the DNA that codes for physical traits
- 8. the reproductive success of an organism in its environment
- 9. the extinction of a species
- 10. Biological evolution that occurs by chance
- 11. the process that improved a species fitness
Down
- 1. The process that transmits helpful traits to a generation of species
- 2. Genetic change over time
- 4. an individuals role in their environment
- 7. The creation of a new species