Across
- 4. A living, functional being.
- 6. A change in an organism's DNA sequence
- 7. an french naturalist who tried to discover the theory of evolution before Darwin
- 8. A group of organisms of the same species
- 9. the process by which a population genes change over the course of generations
Down
- 1. A big change that happens over time
- 2. An naturalist who created the theory of evolution
- 3. The ability to adjust to a new environment
- 5. A small change within a small population