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- Phylogenetic inertia or phylogenetic constraint refers to the limitations on the future evolutionary pathways that have been imposed by previous adaptations. Charles Darwin first recognized this phenomenon, though the term was later coined by Huber in 1939. Darwin explained the idea of phylogenetic inertia based on his observations; he spoke about it when explaining the "Law of Conditions of Existence". Darwin also suggested that, after speciation, the organisms do not start over from scratch, but have characteristics that are built upon already existing ones that were inherited from their ancestors; and these characteristics likely limit the amount of evolution seen in that new taxa. This is the main concept of phylogenetic inertia. Richard Dawkins also explained these constraints by likening natural selection to a river in his 1982 book The Extended Phenotype. (en)
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- Phylogenetic inertia or phylogenetic constraint refers to the limitations on the future evolutionary pathways that have been imposed by previous adaptations. Charles Darwin first recognized this phenomenon, though the term was later coined by Huber in 1939. Darwin explained the idea of phylogenetic inertia based on his observations; he spoke about it when explaining the "Law of Conditions of Existence". Darwin also suggested that, after speciation, the organisms do not start over from scratch, but have characteristics that are built upon already existing ones that were inherited from their ancestors; and these characteristics likely limit the amount of evolution seen in that new taxa. This is the main concept of phylogenetic inertia. (en)
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- Phylogenetic inertia (en)
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