Evolutionary History

3. The process by which one population evolves into two more more different species.
6. Everything (living and nonliving) that surrounds an organism.
8. Having died out completely and no longer alive anywhere on Earth.
10. To receive genes from a parent.
11. Sharing a common ancestor population.
13. The process by which the distribution of traits in a population changes.
14. A group of the same kind of organisms that only reproduce with each other.
15. A related organism from a previous generation.
16. The process by which species adapt to environmental changes over a very long period of time.
17. Evidence of life from the past.

1. A trait that makes it more likely that an individual will survive.
2. A body part in two or more species that features the same parts.
4. A group of the same type of organism living in the same area.
5. A more recent species that evolved from an ancestor population.
7. A random change to a gene that sometimes results in a new trait.
9. A group of individuals born and living at about the same time.
12. A scientist who studies fossils in order to understand the history of life on Earth.
14. Not changing, staying the same.