Natural Selection

3. Segments of DNA that code for protein or functional RNA
6. the process where heritable characteristics of a population change so that the organisms in the population become better able to survive and reproduce in their environment
9. Being in short supply of a resource
10. A change in the DNA sequence of a chromosome
11. Resources that are found in nature
12. Organisms of the same species that are at the same level of descent from a common ancestor
13. The effect humans have on the surrounding environment
14. A different or distinct form of a trait or organism

1. Events that cause changes to Earth’s surface
2. The ability to produce fertile, successful offspring
4. Descent with modification from a preexisting species
5. Everything that surrounds a system
7. A group of organisms that can interbreed to generate fertile offspring
8. Differential survival and reproductive success among a group of organisms due to differences in the inherited traits