EVOLUTIONARY | English meaning - Cambridge Dictionary
网页EVOLUTIONARY definition: 1. relating to the way in which living things develop over millions of years 2. involving a gradual…. Learn more.
Evolution Definition & Meaning - Merriam-Webster
网页: descent with modification from preexisting species : cumulative inherited change in a population of organisms through time leading to the appearance of new forms : the process by which new species or populations of living things develop from preexisting forms through successive generations.
Evolution | Definition, History, Types, & Examples | Britannica
网页2024年9月10日 · 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 distinguishable differences are due to modifications in successive generations. The theory of evolution is one of the fundamental keystones of modern biological theory.
Evolution - Wikipedia
网页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.
An introduction to evolution
网页Through the process of descent with modification, this common ancestor gave rise to the diverse species that we see documented in the fossil record and around us today. Evolution means that we’re all distant cousins: humans and oak trees, hummingbirds and whales.
About - Understanding Evolution
网页Understanding Evolution (UE) is a non-commercial, education website, for teaching and learning about the science of evolutionary biology. This site is here to help you understand what evolution is, how it works, and how it factors into your life.
EVOLUTIONARY definition | Cambridge English Dictionary
网页EVOLUTIONARY meaning: 1. relating to the way in which living things develop over millions of years 2. involving a gradual…. Learn more.
Evolutionary biology - Wikipedia
网页Evolutionary biology is the subfield of biology that studies the evolutionary processes (natural selection, common descent, speciation) that produced the diversity of life on Earth. It is also defined as the study of the history of life forms on Earth.
Evolution - Natural Selection, Adaptation, Genetics | Britannica
网页2024年9月10日 · Evolution can be seen as a two-step process. First, hereditary variation takes place; second, selection is made of those genetic variants that will be passed on most effectively to the following generations.
evolution | Learn Science at Scitable - Nature
网页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...
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