Across
- 4. a change or process.
- 5. develop over successive generations as a result.
- 7. the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
- 8. of evolution develop over successive generations as a result.
- 9. change in structure or gene.
Down
- 1. a hide or disguise.
- 2. A group of living organisms
- 3. the occurrence of an organism in more than one distinct color or form.
- 6. derive.