
Evolution - Wikipedia
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 …
Evolution | Definition, History, Types, & Examples | Britannica
Oct 25, 2025 · evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the …
Theory of Evolution - National Geographic Society
Oct 19, 2023 · 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 …
An introduction to evolution
Evolution helps us to understand the living world around us, as well as its history. Biological evolution is not simply a matter of change over time.
EVOLUTION Definition & Meaning - Merriam-Webster
Evolution is a process of continuous branching and diversification from common trunks. This pattern of irreversible separation gives life's history its basic directionality.
What is the Theory of Evolution? Explained with Examples and …
Apr 13, 2025 · But evolution is more than just biology’s guiding principle; it’s a story about time, change, and survival. Although the idea that life evolves wasn’t entirely new in the 19th …
Evolution – Definition, Types, Advantages, Examples
Nov 13, 2024 · Evolution is the process by which species change over time through the gradual accumulation of genetic variations, driven by mechanisms like natural selection, genetic drift, …
Evolution - Natural Selection, Adaptation, Genetics | Britannica
Oct 25, 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), …
Evolution - National Human Genome Research Institute
1 day ago · Evolution, as related to genomics, refers to the process by which living organisms change over time through changes in the genome. Such evolutionary changes result from …
Introduction to evolution - Wikipedia
Evolution is the principal scientific theory that biologists use to understand life and is used in many disciplines, including medicine, psychology, conservation biology, anthropology, forensics, …