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 why organisms are adapted to their physical and biological environments.
Theory of Evolution - Education
2023年10月19日 · The theory of evolution is a shortened form of the term “theory of evolution by natural selection,” which was proposed by Charles Darwin and Alfred Russel Wallace in the nineteenth century.
Darwin's Theory of Evolution: Definition & Evidence - Live Science
2022年10月14日 · In his book, Darwin describes how organisms evolve over generations through the inheritance of physical or behavioral traits, as National Geographic explains. The theory starts with the premise...
Evolution | Definition, History, Types, & Examples | Britannica
2024年10月25日 · 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 in successive generations.
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, agriculture and other social-cultural applications.
Theory Of Evolution: Definition, Charles Darwin, Evidence
2019年6月27日 · The theory of evolution by natural selection is attributed to 19th century British naturalist Charles Darwin. The theory is widely accepted based on fossil records, DNA sequencing, embryology, comparative anatomy and molecular biology. Darwin’s finches are examples of evolutionary adaptation.
Evolution - Natural Selection, Adaptation, Genetics | Britannica
2024年10月25日 · 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 ecology. Underlying these changes are changes in the hereditary materials.
18.1A: What is Evolution? - Biology LibreTexts
2024年11月23日 · The theory of evolution is the unifying theory of biology, meaning it is the framework within which biologists ask questions about the living world. The Ukrainian-born American geneticist Theodosius Dobzhansky famously wrote that “nothing makes sense in biology except in the light of evolution.”
Darwin and His Theory of Evolution - Pew Research Center
2009年2月4日 · After the Beagle returned to England in October 1836, Darwin began reflecting on his observations and experiences, and over the next two years developed the basic outline of his groundbreaking theory of evolution through natural selection.
Evolution - Edexcel Darwin's theory of evolution - BBC
Charles Darwin developed the theory of evolution by natural selection. All living species are classified using the system developed by Linnaeus. Part of Combined Science Natural selection...
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