Terms : Hide Images
| 13585687260 | Evolution | Genetic change in a species over time resulting in the development of genetic and phenotypic differences that are the basis of natural selection; descent of organisms from a common ancestor | 0 | |
| 13585687262 | Vestigial structures | remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species. | 1 | |
| 13585687268 | Biogeography | Study of past and present distribution of organisms | 2 | |
| 13585687269 | Natural selection | 1. overpopulation leads to competition for limited resources 2. mutations lead to heritable variations in a population 3. differential survival and reproduction leads to survival of the fittest (not best) | 3 | |
| 13585687270 | Fitness | Ability of an organism to survive and reproduce in its environment | 4 | |
| 13585687271 | Adaptation | modification in structure, function, or behavior that makes a species more suitable to its environment | 5 | |
| 13585687272 | Artificial selection | Intentional breeding of certain traits, or combinations of traits, over others to produce a desirable outcome by humans. | 6 | |
| 13585687273 | Transitional fossils | any fossilized remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group | 7 | |
| 13585687274 | Homologous | structures that are of similar origin in different species but have different functions; shows common ancestry |  | 8 |
| 13585687275 | Analogous | structure that has a similar function but different origins; does not show common ancestry | 9 |
