Across
- 8. Phrasethat describes natural selection
- 9. A trait that helps an organisms survive and reproduce
- 10. Change in a species over time
Down
- 1. Shared origin species from which others evolved
- 2. A random change in DNA that leads to variation
- 3. Formation of new species
- 4. Ability of an organism to survive and reproduce in its environment
- 5. selection Process by which organisms are better adapted to their environment survive and reproduce
- 6. Differences in physical traits among individuals of a species
- 7. Preserved remains or traces of ancient organisms