NEODARWINISM Meaning and
Definition
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Neodarwinism refers to the modern synthesis of Darwinian evolutionary theory with the genetic principles established by Gregor Mendel. This concept emerged in the early 20th century as a combination of Darwin's theory of natural selection and the newly discovered laws of inheritance.
In neodarwinism, the fundamental idea is that evolution occurs through the process of natural selection acting on genetic variation. According to this theory, heritable genetic changes, or mutations, provide the basis for variation within a population. These variations can then be favored or selected against by the environment, leading to the differential survival and reproduction of individuals.
Neodarwinism emphasizes the role of genes in evolution, with genes serving as the units of heredity that are passed from generation to generation. The theory argues that it is changes in these genes that ultimately lead to the phenotypic differences observed in individuals.
Additionally, neodarwinism also recognizes the role of genetic drift, a random change in gene frequencies over time due to chance events, as well as other non-selective mechanisms such as migration and mutation. However, it maintains that natural selection is the primary driving force behind evolutionary change.
Overall, neodarwinism represents a synthesis of Darwin's concepts with modern genetic principles, providing a comprehensive understanding of how species adapt and evolve over time.
Common Misspellings for NEODARWINISM
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Etymology of NEODARWINISM
The word "neodarwinism" is derived from combining two terms: "neo-" and "Darwinism".
1. "Neo-" is a prefix derived from the Greek word "neos", meaning "new" or "recent". In English, it generally signifies a new or revived version of a particular concept or theory.
2. "Darwinism" refers to the theories and ideas proposed by Charles Darwin, particularly in his seminal work "On the Origin of Species", published in 1859. Darwinism encompasses the concept of natural selection as a mechanism for evolution, as well as the idea of the common descent of all organisms.
Therefore, "neodarwinism" essentially refers to a revised or updated version of Darwinism that incorporates new scientific insights, discoveries, and advancements made since Charles Darwin's original theories. It represents the modern understanding of evolution that has incorporated various genetic and molecular principles and research.
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