Across
- 3. Biological evolution that occurs by chance
- 6. general term, means change over time
- 7. How reproductively successful an organism is in its environment
- 8. A heritable trait that increases an individual's fitness
- 9. A sequence of DNA that codes for a particular trait
Down
- 1. Process by which new species are generated
- 2. The process by which traits that improve an organisms chances for survival
- 4. Changes in DNA
- 5. selection Process of selection conducted under human direction