Across
- 4. a distinguished quality or characteristic
- 5. the process by which organisms change over time as a result of changes in physical or behavioral traits
- 6. when an organism no longer exists
- 9. a natural process resulting in the evolution of organisms best adapted to the environment
- 10. a group of living organisms
Down
- 1. the process of adapting or changing
- 2. occurs when an extra nucleotide is added to the DNA strand during replication
- 3. the occurrence of two or more forms differently produced in the life cycle
- 7. the first name of the man who discovered the theory of evolution
- 8. the surname of the man who discovered the theory of evolution