Introduction to Functional Selection Functional selection, a central concept in developmental and cognitive psychology, describes the intrinsic process by which an individual’s psychological and behavioral capacities are differentially retained or discarded over time based on their inherent utility. At its core, functional selection posits that the capacities—ranging from specific cognitive strategies and motor skills to […]
Introduction and Definitional Origins of Social Darwinism The theory known as Social Darwinism emerged during the latter half of the nineteenth century as an ambitious, though controversial, attempt to apply the principles of biological evolution—specifically natural selection—to the sphere of human society, economics, and politics. The original formulation, as frequently misattributed or oversimplified in popular […]
Direct Selection in Evolutionary Context The Core Definition of Direct Selection Direct selection, in the context of evolutionary biology and evolutionary psychology, is fundamentally defined as the process by which a specific heritable trait increases the immediate fitness of the individual organism carrying that trait, thereby improving their likelihood of survival to reproductive age and […]
Darwinian Fitness The Core Definition of Darwinian Fitness Darwinian fitness, often simply termed evolutionary fitness, is a fundamental concept in biology and evolutionary psychology that quantifies the reproductive success of an organism relative to the rest of the population. Proposed originally by Charles Darwin, it is not a measure of physical strength, speed, or intelligence […]
Survival of the Fittest: An Encyclopedia Entry The Core Definition of Survival of the Fittest The phrase “survival of the fittest” is a widely recognized idiom often used to succinctly describe the process of natural selection, a fundamental mechanism driving evolution. At its most basic level, it posits that within any given species, individuals possessing […]
Natural Selection Introduction: Defining Natural Selection Natural selection stands as a cornerstone concept within evolutionary biology, serving as one of the primary mechanisms driving the astonishing diversity and complexity of life observed across Earth. At its core, natural selection is the process through which individuals within a population that possess traits better suited to their […]