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- 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
- Evolution | Definition, History, Types, Examples | Britannica
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
- 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
- Theory of Evolution - Education
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, organisms produce more offspring than are able to survive in their environment
- 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
- 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 a grand scale? What are some of the big questions that evolutionary biologists are trying to answer?
- Evolution - Natural Selection, Adaptation, Genetics | Britannica
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
Evolution is a process that results in changes in the genetic content of a population over time There are two general classes of evolutionary change: microevolution and macroevolution
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