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- nounbiologynatural selection (noun)
- the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution. Compare with survival of the fittest (see survival)Similar:
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Natural selection - Wikipedia
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations. Charles Darwin popularised the term "natural selection", contrasting it with … See more
Pre-Darwinian theories
Several philosophers of the classical era, including Empedocles and his intellectual successor, the Roman poet Lucretius, expressed the idea … See moreHeritable variation, differential reproduction
Natural variation occurs among the individuals of any … See moreNatural selection can act on any heritable phenotypic trait, and selective pressure can be produced by any aspect of the environment, including sexual selection and competition with members of the same or other species. However, this does not imply that natural … See more
Genotype and phenotype
Natural selection acts on an organism's phenotype, or physical characteristics. Phenotype is determined by an organism's genetic make-up … See moreThe term natural selection is most often defined to operate on heritable traits, because these directly participate in evolution. However, natural selection is "blind" in the sense that changes in phenotype can give a reproductive advantage … See more
Natural selection is seen in action in the development of antibiotic resistance in microorganisms. Since the discovery of penicillin in 1928, antibiotics have been used to fight bacterial … See more
A prerequisite for natural selection to result in adaptive evolution, novel traits and speciation is the presence of heritable genetic variation that … See more
Wikipedia text under CC-BY-SA license Natural selection | Definition & Processes | Britannica
WEBJul 20, 1998 · Natural selection is the process that results in the adaptation of an organism to its environment by means of …
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Natural Selection - National Geographic Society
WEBOct 19, 2023 · Learn how natural selection is the process of adaptation and evolution through which species change over time. Find out how Darwin developed the idea of …
- Estimated Reading Time: 5 mins
Natural selection Definition & Meaning - Merriam-Webster
WEBAug 1, 2024 · Learn the meaning of natural selection, a natural process that leads to the survival and reproductive success of the best adapted individuals or groups. See how …
Natural Selection - Definition and Examples - Biology Dictionary
Natural selection is a pressure that causes groups of organisms to change over time due to genetic variability and environmental factors. Learn about differen…
- Published: Nov 28, 2016
- Estimated Reading Time: 8 mins
Natural Selection - Understanding Evolution
WEBLearn how natural selection, one of the basic mechanisms of evolution, works with variation, differential reproduction, and heredity. Explore examples, misconceptions, and …
What is natural selection? - Natural History Museum
WEBNatural selection is a mechanism of evolution that favours organisms with adaptations that help them survive and reproduce. Learn how natural selection works, what are …
Natural Selection - Definition, Principles, Process, Types,
WEBNov 10, 2023 · Natural selection is the adaptation strategy of living organisms on Earth. It occurs when they acquire and evolve a trait with time that provides them a distinct …
Natural selection - New Scientist
WEBNatural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour. It is one of the...
natural selection | Learn Science at Scitable
WEBNatural selection is the differential survival and/or reproduction of entities that differ in one or more characteristics. Learn how natural selection operates on alleles,...
What is natural selection? - Inheritance and genetics - BBC
WEBNatural selection is a process by which a species changes over time in response to changes in the environment, or competition between organisms, in order for the species …
Understanding Natural Selection: Essential Concepts and …
WEBApr 9, 2009 · Learn how natural selection is the process of evolution by non-random difference in reproductive output among replicating entities. Explore the basic …
Natural Selection: Definition, Darwin's Theory, Examples & Facts
WEBJun 4, 2019 · Natural selection is the mechanism that drives evolution by favoring the traits that make organisms fit for their environment. Learn how Darwin developed his …
Natural selection - Biology Online Dictionary
WEBMay 24, 2023 · Selection happens as a result of differences in survival, mating success, development, and fertility. Natural selection is the process by which heritable traits …
Natural selection - Definition and examples - Conceptually
WEBIt’s called ‘natural selection’ because it's a way of selecting organisms with certain traits that’s driven completely by nature, compared to ‘artificial selection’ such as when …
NATURAL SELECTION Definition & Meaning - Dictionary.com
WEBNatural selection is the process by which organisms with traits that help them survive and reproduce better in their environment tend to pass on those traits to their …
NATURAL SELECTION | English meaning - Cambridge Dictionary
WEBNATURAL SELECTION definition: 1. the process that results in the continued existence of only the types of animals and plants that…. Learn more.
NATURAL SELECTION Definition & Meaning - Dictionary.com
WEBThe process by which organisms that are better suited to their environment than others produce more offspring. As a result of natural selection, the proportion of …
Natural Selection - National Geographic Society
WEBNatural selection explains how genetic traits of a species may change over time. This may lead to speciation, the formation of a distinct new species. Select from these …
2.1: The Theory of Natural Selection - Biology LibreTexts
WEBNatural selection results from differential survival and reproduction of individuals due to differences in heritable traits. It is a key mechanism of evolution and is the only process …
Khan Academy
WEBLearn the key terms and concepts of evolution and natural selection, and how they explain the unity and diversity of life. See examples, diagrams, and common mistakes and …
Natural selection - Definition, Meaning & Synonyms
WEBNatural selection is the theory that only the strong survive. For example, the animals that can outrun their predators live to pass on their speedy genes; the slow are eaten.
Natural Selection - Stanford Encyclopedia of Philosophy
WEBSep 25, 2019 · For Darwin, natural selection is a drawn-out, complex process involving multiple interconnected causes. Natural selection requires variation in a population of …
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