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What is evolution theory in biology?
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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
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.
Oct 19, 2023 · Learn how the theory of evolution by natural selection explains how organisms change over time and how it became a scientific theory. Explore the history, evidence, and mechanisms of evolution with examples and vocabulary.
Evolution 101. An introduction to evolution: what is evolution and how does it work? The history of life: looking at the patterns – Change over time and shared ancestors; Mechanisms: the processes of evolution – Selection, mutation, migration, and more; Microevolution – Evolution within a population; Speciation – How new species arise
Learn how Charles Darwin proposed the theory of biological evolution by natural selection, and how it explains the diversity and adaptation of living things. Explore the evidence and examples that support his ideas, and the challenges he faced.
Darwinism is a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.
