Adaptation

2. A group of the same species living in a specific area.
4. Differences between individuals within a species.
7. The variety of different species living in an ecosystem.
12. The process where individuals with advantageous traits survive and reproduce.
14. The natural environment where an organism lives.

1. When all members of a species die out.
3. The gradual change of species over long periods of time.
5. The scientist who proposed the theory of natural selection.
6. A section of DNA that codes for a characteristic.
8. A group of organisms that can interbreed to produce fertile offspring.
9. A feature that helps an organism survive in its environment.
10. A random change in DNA that may create new characteristics.
11. A way of blending into the environment to avoid predators.
13. A community of organisms interacting with each other and their environment.