Adaptation (biology) Adaptation Adaptation is the evolutionary process by which populations become better suited to their environment through heritable changes. Covers mechanisms, types, examples, constraints and…
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…
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…
Natural selection: the mechanism of adaptive evolution Natural selection Natural selection is the process by which heritable traits that improve survival or reproduction become more common in populations, driving adaptation and shaping biological divers…
