| A | B |
| Structural adaptation | Physical parts of an organism used for survival. |
| Behavioral adaptation | Actions of an organism that allows survival |
| Reasons for adaptations | To find food, protection, and moving |
| Darwin | Father of Natural Selection |
| Overproduction | Organism produce more offspring then will survive |
| Genetic Variation | Each individual population has mutiple traits for survival. |
| Struggle to survive | Organisms will compete for food and predators will kill some. |
| Successful reproduction | Individuals that are able to survive will reproduce and pass traits on. |
| Speciations | The process of creating another species |
| Steps of speciation | Separation, Division, Adaptation |
| Farmers and Breeders | Selective Breeding |
| Thomas Malthus | Essay on Population |
| Geologist | The Earth is older than people realized |