In Evolutionary Science, adaptive systems are biological systems, from molecules and organisms to populations and ecosystems, that change over time in response to selective pressures so as to improve fit between organisms and their environments. Within this framework, adaptation is driven principally by natural sele…
In Evolutionary Science, adaptive systems are biological systems, from molecules and organisms to populations and ecosystems, that change over time in response to selective pressures so as to improve fit between organisms and their environments. Within this framework, adaptation is driven principally by natural selection acting on heritable variation, whereby variants conferring greater survival or reproductive success become more frequent across generations, although the sufficiency of selection as the sole foundational mechanism remains a subject of scholarly debate. Adaptive change operates at multiple levels: genetic and developmental programs, such as conserved regulatory genes governing body plan and brain development, supply the variation and constraints on which selection acts; speciation generates new lineages as populations diverge; and interactions with the physical and microbial environment can shape evolutionary trajectories. Living systems are also adaptive in a physiological and immunological sense, adjusting internal states to maintain function under changing conditions, as reflected in studies of immune regulation and resilience. The concept is rooted in Darwinian theory and its continued revision, and it encompasses questions about how variation arises, how selection and other processes such as drift and conservation of ancestral features interact, and how adaptive complexity accumulates. Research in this area examines the mechanisms, levels, and limits of adaptation across the tree of life.
6 peer-reviewed articles, ranked by relevance. Each links to its DOI.
The 6 articles above have been cited 59 times in the scholarly literature. Citation data via OpenAlex and Crossref, updated Jun 2026.
A sample of recent works citing this journal's research on Adaptive Systems, linking to each citing work.