Evolution

2. The set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait.
3. A diagram that shows how scientists think different groups of organisms are related.
4. How well an organism can survive and reproduce in its environment.
7. preserved remains or traces of an organism that lived in the past.
9. change in the genetic material of a cell The raw material for evolution.
11. The theory that species evolve during short periods of rapid change
13. A trait or novel process that helps an organism survive and reproduce.
14. A difference between individuals of the same species.
15. When no members of a species are still alive.

1. A structure that is reduced in size and has little or no function.
5. A group of similar organisms that can mate with each other and produce fertile offspring.
6. A well-tested concept that explains a wide range of observations.
8. human and monkey
10. The theory that evolution occurs slowly but steadily.
12. the change in a species over time