| A | B |
| evolution | Change in population over time |
| Darwin's Ship | HMS Baegle |
| Darwin's Favorite Islands | Galapagos Islands |
| Natural Selection | Survival of the fittest |
| Niche | a population's way of life |
| Gene Pool | genetic makeup of a population |
| Genetic Euilibrium | constant allele frequency |
| Species | a population that reproduces |
| Adaptive radiation | multiple branching of a family tree |
| primates | humans and monkeys |
| humans | walk upright, large brains |
| Apes | no tail, large |
| prosimians | small monkey with big eyes |
| prehensile tail | strong til that can hold branches |
| homo sapiens | modern humans |
| archeologist | studies ancient people |
| Lucy | first known human fossil |
| homo erectus | upright man |
| neanderthals | possible human ancestor |
| cromagnons | identical to modern humans, different lifstyles |
| anthropoid | like a human |