Across
- 7. A change or difference in condition, amount, or level, typically with certain limits.
- 9. based on the idea that all species? are related and gradually change over time
- 10. The action or process of adapting or being adapted.
- 11. French naturalist
- 12. A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
Down
- 1. The action or process of mutating.
- 2. Derive (a quality, characteristic, or predisposition) genetically from one's parents or ancestors
- 3. English naturalist, geologist and biologist
- 4. the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
- 5. Develop gradually, especially from a simple to a more complex form
- 6. The disguising of military personnel, equipment, and installations by painting or covering them to make them blend in with their surroundings.
- 8. an idea used to account for a situation or justify a course of action.