natural selection

2. (money, property, or a title) as an heir at the death of the previous holder.
5. carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method.
7. group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
9. action or process of mutating.
11. a change or difference in condition, amount, or level, typically with certain limits.
12. group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.

1. a theory of evolution based on the principle that physical changes in organisms during their lifetime
3. Selection-the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
4. of Evolution-based on the idea that all species? are related and gradually change over time.
6. action or process of adapting or being adapted.
8. the disguising of military personnel, equipment, and installations by painting or covering them to make them blend in with their surroundings.
10. gradually, especially from a simple to a more complex form.