The scientific theory of evolution by natural selection was conceived independently by two British naturalists, Charles Darwin and Alfred Russel Wallace, in the mid-19th century as an explanation for …

6 days ago · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications …

Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural selection, organisms …

Apr 13, 2025 · The theory of evolution is not just a scientific concept—it is the story of life itself. It explains how we got here, how we are connected to every living thing, and how we continue to change.

This definition encompasses everything from small-scale evolution (for example, changes in the frequency of different gene versions in a population from one generation to the next) to large-scale …

Jul 21, 2025 · Evolutionary theory is the foundational framework of modern biology, explaining that life’s diversity arises from the modification of existing species. At its core, evolution is the change in …

Aug 5, 2025 · Theories of Evolution explain the process of biological evolution through ideas like Lamarckism, Darwin’s natural selection, and the Modern Synthetic Theory. These are linked to …

Dec 2, 2025 · Biological evolution is the process of change and diversification of living things over time, and it affects all aspects of their lives— morphology (form and structure), physiology, behaviour, and …

Aug 5, 2025 · The science behind evolutionary theory is not just a set of facts—it is a lens through which we see the living world more clearly. From Darwin’s first steps to today’s genomic breakthroughs, …

Apr 15, 2025 · This article provides a comprehensive overview of the Theory of Evolution, tracing its origins, explaining its key principles, and exploring its significance in modern science.