| Term | Definition |
| Overproduction | Leads to offspring dying due to fitness. |
| Variation in Fitness that is heritable | new species form from existing species and occurs with the accumulation of gene frequency changes in polutation |
| Darwin and his AWESOME trip | 1. came up with evolution by natural selection 2. went on ship trip for five years to chart coastlines of southern continents. he would collect plants that might be useful in food items back home. he collected hundred of speciments. observed. |
| What was so special about this trip? | Each island was large enough to support a different race of turtle. limited gene exchange btw populations bc not swimmers. |
| Darwin's finches | 1. adaptive radiation 2. similar DNA 3. Postulated that a single arriving species diversified to fill different feeding niches |