Across
- 6. selection process by which individuals that are better suited to their environment survive and reproduce most successfully
- 7. selection by humans for breeding of useful traits from the natural variation among different organisms
- 8. descent principle that all living things have a common ancestor
Down
- 1. any inherited characteristic that increases an organism's chance of survival
- 2. the ability of an individual to survive and reproduce
- 3. Change over time
- 4. the preserved remains of ancient organisms
- 5. a well-supported, testable explanation of phenomena that have occurred in the natural world