| A | B |
| artificial selection | Breeding organisms with specific traits in order to produce offspring with identical traits. |
| natural selection | It accounts for change in population, occurs when favorable variations survive and reproduce and pass those genes. |
| mimicry | stuctural adaptation that enables one species to resemble another species. |
| camoflauge | an adaptation that enables species to blend with their surroundings. |
| homologous structures | Stuctural features with a common evolutionary origin.(similar but different) |
| analogous structures | Body parts w/a different origin but have a similar function (butterfly and bird wings) |
| vestigial structure | a body structure in a present day organism that no longer serves its original purpose. |
| embryo | the earliest stage of growth in development of both plants & animals. |