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20 de may. de 2024 · Evolution is the process of descent with modification that explains the origin and diversity of living things on Earth. Learn about the evidence, history, types, and examples of evolution from Britannica's experts.
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
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.
Biological evolution is the process of change and diversification of living things over time, and it affects all aspects of their lives—morphology (form and structure), physiology, behaviour, and ecology.
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
Introducción a la evolución. La definición. La evolución biológica, para hacerlo fácil, es la descendencia con las modificaciones heredadas. Esta definición lo engloba todo, desde la evolución a pequeña escala (por ejemplo, los cambios en la frecuencia de diferentes versiones de los genes de una generación a otra en la misma ...
Scitable provides an overview of evolution, genetics, and biodiversity, and how they shape ecology. Explore the mechanisms, examples, and applications of microevolution and macroevolution, and the role of molecular techniques in studying evolution.
