Across
- 5. hide or disguise
- 6. genetically from parents or ancestors
- 8. English naturalist, biologist
- 9. opinion or idea
- 10. organisms capable of exchanging genes
- 11. changing of he structure of a gene
Down
- 1. act or process of changing to survive
- 2. the tool of evolution
- 3. changes in organisms during lifetime
- 4. change or difference
- 7. changing all life forms