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 explanation for …
Evolution | Definition, History, Types, & Examples | Britannica
Dec 26, 2025 · 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 …
Evolution 101
How does evolution lead to the tree of life? How does evolution work? How does evolution work on a small scale? What are species anyway, and how do new ones evolve? How does evolution work on …
Theory of Evolution - Education
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 …
Scientists Say Evolution Works Differently Than We Thought
Dec 25, 2025 · Scientists say evolution works differently than we thought Date: December 25, 2025 Source: University of Michigan Summary: A major evolutionary theory says most genetic changes …
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 mutations that …
What is evolution? | Biological Principles - gatech.edu
Because the definition of evolution is change in the heritable characteristics of a population over generations, evolution can occur by means other than natural selection.