| the branches of biology that deal with the processes of change in populations of organisms, esp. taxonomy, paleontology, ethology, population genetics, and ecology. |
| Main Entry: | evolutionary biology |
| Part of Speech: | n |
| Definition: | a branch of biology investigating the evolution of organisms, esp. in the areas of molecular and microbial evolution, behavior, genetics, ecology, life histories, development, paleontology, systematics, and morphology |
| Usage: | science |