Natural Selection

4. a characteristic that all members of a species have
7. a result or change that happens because of an event or process
8. a specific characteristic of an individual organism
10. the number of individuals with each trait in a population
12. the process by which the distribution of traits in a population changes over many generations
13. a trait that makes it less likely that an individual will survive in a specific environment

1. an event or process that leads to a result or change
2. everything (living and nonliving) that surrounds an organism
3. a group of individuals born and living at about the same time
5. any difference in traits between individual organisms
6. a graph that uses bars to show how characteristics or values are distributed withing a group
9. a trait that makes it more likely that an individual will survive in a specific environment.
11. an idea about what might happen that is based on what you already know