Across
- 3. a change over time
- 4. process of living things adapting
- 8. disguised
- 10. a group of living organisms
- 12. distinct version of something
Down
- 1. the process of change in all forms
- 2. a well-substantiated explanation of some aspects of the natural world
- 5. theory of physical changes in organisms
- 6. adjustment to improve something
- 7. theory of evolution
- 9. change in DNA sequence
- 11. receive as an heir