natural selection

3. science as a botanical and zoological systematist,
6. receive (money, property, or a title) as an heir at the death of the previous holder.
9. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
10. develop gradually, especially from a simple to a more complex form.
11. the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA,
12. a carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method

1. theory of evolution by natural selection
2. the process whereby organisms better adapted to their environment tend to survive and produce more offspring
4. a defense mechanism or tactic that organisms use to disguise their appearance
5. based on the idea that all species? are related and gradually change over time.
7. the action or process of adapting or being adapted.
8. a change or difference in condition, amount, or level, typically with certain limits