natural selection
Across
- 3. the action or process of adapting or being adapted.
- 5. difference in condition, amount, or level, typically with certain limits.
- 6. of military personnel, equipment, and installations by painting or covering them to make them blend in with their surroundings
- 9. biology postulating that the various types of plants animals and other living things on Earth
- 10. natural selection as an explanation
Down
- 1. he action or process of mutating.
- 2. first presented in 1801
- 4. develop gradually, especially from a simple to a more complex form
- 7. a group of living organisms consisting of similar individuals
- 8. receive (money, property, or a title)