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 …

Dec 2, 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 …

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.

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, …

Apr 5, 2025 · In the world of science, few ideas have had as profound an impact on human understanding as Charles Darwin’s theory of evolution by natural selection. In the years since …

Evolution is a process of continuous branching and diversification from common trunks. This pattern of irreversible separation gives life's history its basic directionality.

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 …

Evolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result in...

The timeline of life represents the current scientific theory outlining the major events during the development of life on Earth. Dates in this article are consensus estimates based on scientific …

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, …