Evolution Definition & Meaning - Merriam-Webster
WEBThe meaning of EVOLUTION is descent with modification from preexisting species : cumulative inherited change in a population of organisms through time leading to …
Evolution - Wikipedia
WEBEvolution 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.
An introduction to evolution - Understanding Evolution
WEBEvolution 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 | Definition, History, Types, & Examples | Britannica
WEBApr 23, 2024 · 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. The theory of evolution is one of the fundamental keystones of modern biological theory.
EVOLUTION | definition in the Cambridge English Dictionary
WEBAdd to word list. a gradual process of change and development. biology. Evolution is the process by which the physical characteristics of types of creatures change over time, …
EVOLUTION Definition & Meaning | Dictionary.com
WEBnoun. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. Synonyms: metamorphosis, progression, change. …
evolution | Learn Science at Scitable - Nature
WEBEvolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result...
EVOLUTION | English meaning - Cambridge Dictionary
WEBAdd to word list. a gradual process of change and development. biology. Evolution is the process by which the physical characteristics of types of creatures change over time, …
Biology - Evolution, Genetics, Species | Britannica
WEBEvolution. types of natural selection. Three types of natural selection, showing the effects of each on the distribution of phenotypes within a population. The downward arrows point to those phenotypes against which selection acts. Stabilizing selection (left column) acts against phenotypes at both extremes of the distribution, favouring the ...
Evolution Definition & Meaning | Britannica Dictionary
WEBEVOLUTION meaning: 1 : a theory that the differences between modern plants and animals are because of changes that happened by a natural process over a very long time; 2 : the process by which changes in plants and animals happen over time.
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