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PERIODIC TABLE. A thoughtful summary of the understanding of the evolution of the elements of the Periodic Table, except for the conclusions. https://lnkd.in/gx-8DrP View in LinkedIn

PLASTICITY AND SPECIATION. “By the plasticity hypothesis, divergence, in the form of alternative phenotypes, life-stage differences, and contrasting traits such as those expressed under extreme or novel conditions, arises first; then particular variants are fixed in particular subpopulations due to assortative mating, environmentally mediated change in expression, or selection. … Extreme plasticity such as learning can produce exceedingly rapid (abrupt) speciation.” https://lnkd.in/eS_4y_J View in LinkedIn

IRREVERSIBLE CHANGE. “To make the change irreversible at the population level, there is no need for one particular mutation (genotype) to be spread throughout the whole population as a result of its differential reproduction – instead, it is possible simply to have one of these billions of mutations in each individual.” https://lnkd.in/eS_4y_J View in LinkedIn

NON SELECTIVE ADAPTION. “A mechanism of evolution that ensures adaptive changes without the obligatory role of natural selection is described. According to this mechanism, the first event is a plastic adaptive change (change of phenotype), followed by stochastic genetic change which makes the transformation irreversible.” https://lnkd.in/eS_4y_J View in LinkedIn

GENE INACTIVATION. “There are obviously billions of different mutations that can make a gene inactive – including the mutations of the gene itself, its regulatory region, or the genes of its regulatory factors, such as transcription factors.” https://lnkd.in/eS_4y_J View in LinkedIn

IST LINE IN THE SAND. “On 13 April 1896, H. F. Osborn gave a lecture at the meeting of the Section of Biology of the New York Academy of Sciences, titled ‘A mode of evolution requiring neither natural selection nor the inheritance of acquired characteristics’. According to the neo-Darwinian theory of evolution, such a mode is possible only as neutral evolution. Adaptive evolution has been explained in neo-Darwinism exclusively via the obligatory role of natural selection.” https://lnkd.in/eS_4y_J View in LinkedIn

FIXED WITHOUT MARKER. “A simple example can be a case in which a phenotypic change would become irreversible if a certain gene was permanently switched off.” https://lnkd.in/eS_4y_J View in LinkedIn

OVER-REACH. “Eco-evolutionary feedbacks between population abundances and asymmetric selection further exaggerate these defences.” https://lnkd.in/e5R5vQe View in LinkedIn

WITH AND WITHOUT MARKERS. “To have a phenotypic change that is genetically fixed, it is usually assumed that there exists a specific genetic marker or a combination of markers that characterizes the phenotype. However, because a particular phenotype can be genetically fixed via many genetic patterns, it is also possible to have a phenotypic change that is genetically fixed, but without a particular marker common to the population.” https://lnkd.in/eS_4y_J View in LinkedIn

VESTIGIAL EXPLANTATION. “We offer a simple explanation that only requires asymmetric selection and phenotypic variance, both of which are universal properties of natural systems.” https://lnkd.in/e5R5vQe View in LinkedIn