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10 de ene. de 2013 · Support Stated Clearly on Patreon: https://www.patreon.com/statedclearlyEvolution is often considered a complex and controversial topic but it's actually a v...
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25 de ago. de 2017 · Evolution may be defined as any net directional change or any cumulative change in the characteristics of organisms or populations over many generations—in other words, descent with modification…. It explicitly includes the origin as well as the spread of alleles, variants, trait values, or character states.
Biology - Evolution, Genetics, Species: In his theory of natural selection, which is discussed in greater detail later, Charles Darwin suggested that “survival of the fittest” was the basis for organic evolution (the change of living things with time). Evolution itself is a biological phenomenon common to all living things, even though it has led to their differences.
evolution, Biological theory that animals and plants have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations.It is one of the keystones of modern biological theory. In 1858 Charles Darwin and Alfred Russel Wallace jointly published a paper on evolution. The next year Darwin presented his major treatise On the ...
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Evolution is the way that living things change over time. The first person who explained how evolution happens was Charles Darwin with his scientific theory of natural selection. This video can ...
