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What is biological evolution?
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Apr 23, 2024 · Evolution is the process by which living things change through generations and diverge from common ancestors. The article explains the evidence, history, and mechanisms of evolution, and its applications to various fields of biology.
- Francisco Jose Ayala
The definition. Biological evolution, simply put, is descent with inherited modification. This definition encompasses everything from small-scale evolution (for example, changes in the frequency of different gene versions in a population from one generation to the next) to large-scale evolution (for example, the descent of different species ...
Evolution is change in the heritable characteristics of a population over generations, caused by natural selection or other processes. Learn how evolution is a scientific theory supported by evidence, and how to distinguish homologous and analogous structures.
Oct 19, 2023 · Learn how the theory of evolution by natural selection explains how organisms change over time. Explore the history, evidence, and mechanisms of evolution with examples and activities.
Evolution is the change in the heritable characteristics of biological populations over successive generations. It occurs when evolutionary processes such as natural selection and genetic drift act on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations.
The theory of evolution. As knowledge of plant and animal forms accumulated during the 16th, 17th, and 18th centuries, a few biologists began to speculate about the ancestry of those organisms, though the prevailing view was that promulgated by Linnaeus—namely, the immutability of the species.
