Natural Selection

4. An instruction for making a protein molecule
7. Everything (living and nonliving) that surrounds an organism
10. An event or process that leads to a result or change
11. An idea about what might happen that is based on what you already know
12. A trait that makes it more likely that an individual will survive in a specific environment

1. A group of individuals born and living at about the same time
2. A result or change that happens because of an event or process
3. The number of individuals with each trait in a population
5. A type of large molecule that performs important functions inside organisms
6. A trait that makes it less likely that an individual will survive in a specific environment
8. The process by which the distribution of traits in a population changes over many generations
9. A random change to a gene that sometimes results in a new trait