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Slide 1
Slide 1

... • Scottish geologist James Hutton published his hypothesis on the Earth’s geology formed very slowly over time, millions of years and are shaped by natural forces (mainly the weather). – Most Europeans at the time believed that the Earth was only a few thousand years old, but Hutton proposed that th ...
BB - SmartSite
BB - SmartSite

... • Each species was given a two-part name made up of a generic name and a specific name – Similar organisms could have the same generic name, but each had a unique specific name – Example: lions, tigers and panthers have the names Panthera leo, Panthera tigris and Panthera ...
From individual minds to social ones. Valentina Cardella () Alessandra Falzone
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Reproductive isolation: Natural selection at work

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... Such opposition had the support of the general public and even many scientists - including Alfred Russel Wallace, who would not take seriously the idea that humans had descended from apes, as Darwin argued in his 1871 volume, The Descent of Man. Although he had collaborated with Darwin to publish th ...
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... From about 570 to 530 million years ago, an evolutionary burst of life forms occurred, often referred to as the "Cambrian Explosion." This marks an important point in the history of life on earth, as most of the major lineages of animals got their starts during the Cambrian Period and have been evol ...
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... C) They should share fewer anatomical homologies with each other than they share with the tree finches. D) The chances of hybridization between two ground finch species should be less than the chances of hybridization between two tree finch species. 29) If, on average, 46% of the loci in a species' ...
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Go forth, evolve and prosper: the genetic basis of adaptive evolution
Go forth, evolve and prosper: the genetic basis of adaptive evolution

... range. These changes in allele frequencies are definitive evidence for genetically based evolutionary change. Shifts in allele frequencies could be caused by selection or could be the result of neutral processes, such as genetic bottlenecks and founder effects, which could certainly occur in an intr ...
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Evolution Timeline Webhunt

... Influences on Darwin Charles Lyell & Geology 8. What did most scientists think about the age of the Earth during Darwin and Lyell’s time? ____________________________________________________________________________ 9. What two ideas did Charles Lyell explain about the Earth in his book? ___________ ...
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The eclipse of Darwinism

Julian Huxley used the phrase ""the eclipse of Darwinism"" to describe the state of affairs prior to the modern evolutionary synthesis when evolution was widely accepted in scientific circles but relatively few biologists believed that natural selection was its primary mechanism. Historians of science such as Peter J. Bowler have used the same phrase as a label for the period within the history of evolutionary thought from the 1880s through the first couple of decades of the 20th century when a number of alternatives to natural selection were developed and explored - as many biologists considered natural selection to have been a wrong guess on Charles Darwin's part, and others regarded natural selection as of relatively minor importance. Recently the term eclipse has been criticized for inaccurately implying that research on Darwinism paused during this period, Paul Farber and Mark Largent have suggested the biological term interphase as an alternative metaphor.There were four major alternatives to natural selection in the late 19th century: Theistic evolution was the belief that God directly guided evolution. (This should not be confused with the more recent use of the term theistic evolution, referring to the theological belief about the compatibility of science and religion.) The idea that evolution was driven by the inheritance of characteristics acquired during the life of the organism was called neo-Lamarckism. Orthogenesis involved the belief that organisms were affected by internal forces or laws of development that drove evolution in particular directions Saltationism propounded the idea that evolution was largely the product of large mutations that created new species in a single step.Theistic evolution largely disappeared from the scientific literature by the end of the 19th century as direct appeals to supernatural causes came to be seen as unscientific. The other alternatives had significant followings well into the 20th century; mainstream biology largely abandoned them only when developments in genetics made them seem increasingly untenable, and when the development of population genetics and the modern evolutionary synthesis demonstrated the explanatory power of natural selection. Ernst Mayr wrote that as late as 1930 most textbooks still emphasized such non-Darwinian mechanisms.
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