Adaptive radiation: rapid diversification of lineages Adaptive radiation Adaptive radiation is the rapid diversification of a lineage into multiple species that occupy different ecological roles, often after new opportunities, innovations, or extinction…
Cline (biology) — Gradients of variation across populations Cline A cline is a continuous change in a trait or gene frequency across geographic or environmental space, arising from selection, gene flow, and history. It helps explain adaptation, s…
Darwin's finches: Galápagos birds and a classic example of adaptive radiation Darwin's finches A concise overview of Darwin's finches: their diversity, distinctive beaks, role in the study of natural selection, later research, and their continuing importance for evolutionary…
Evolution (biological process) Evolution Biological evolution is the change in populations of organisms over generations through mechanisms such as natural selection, mutation and drift; it explains biodiversity, common a…