Natural Selection

2. The ability of an organism to survive and reproduce in its environment.
4. Differences in physical traits among individuals of a species.
7. A trait that increases an organism's chances of survival and reproduction.
9. The idea that individuals with advantageous traits are more likely to survive and reproduce.
12. The process by which species of organisms change over time.
14. Environmental factors that influence which individuals survive and reproduce.

1. The ability of a trait to be passed from one generation to the next.
3. The human practice of breeding animals or plants that have certain desired traits.
5. The process by which organisms better adapted to their environment tend to survive and produce more offspring.
6. The end of an organism or group of organisms, typically a species.
8. The surroundings or conditions in which an organism lives.
10. A group of organisms that can produce offspring.
11. A change in the DNA sequence of an organism's genome.
13. A group of individuals of the same species living in a particular area.