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Quote by Charles Darwin

“Owing to this struggle for life, any variation, however slight and from whatever cause proceeding, if it be in any degree profitable to an individual of any species, in its infinitely complex relationship to other organic beings and to external nature, will tend to the preservation of that individual, and will generally be inherited by its offspring.”

Quote by Charles Darwin

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Charles Darwin
Charles Darwin

Charles Darwin, a British naturalist, is renowned as the founder of evolutionary biology. Born on February 12, 1809, in England, he passed away on April 19, 1882. Darwin is best known for his research on the theory of evolution, which proposed that species evolve through natural selection and survival of the fittest. more

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“Consequently, if my theory be true, it is indisputable that before the lowest Silurian stratum was deposited, long periods elapsed, as long as, or probably far longer than, the whole interval from the Silurian age to the present day; and that during these vast, yet quite unknown, periods of time, the world swarmed with living creatures. To the question why we do not find records of these vast primordial periods, I can give no satisfactory answer.”

IfsWorldGivingLongI CanWholeAgeAnswersRecordsTheoryPeriodsCreaturesBeing TrueLowestFossilsIntervalsPresent DayLiving CreaturesOrigin Of Species
Book:On the origin of species ... A facsimile of the first edition, with an introduction by Ernst Mayr. With a portrait and a bibliography
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“The several difficulties here discussed, namely our not finding in the successive formations infinitely numerous transitional links between the many species which now exist or have existed; the sudden manner in which whole groups of species appear in our European formations; the almost entire absence, as at present known, of fossiliferous formations beneath the Silurian strata, are all undoubtedly of the gravest nature.”

WholeKnownGroupsFindingsDifficultySpeciesAbsenceLinksFormation
Book:The Origin of Species: A Variorum Text
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“As many more individuals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the complex and sometimes varying conditions of life, will have a better chance of surviving, and thus be naturally selected. From the strong principle of inheritance, any selected variety will tend to propagate its new and modified form.”

IfsSometimesFormIndividualStrongBornChanceExistencePrinciplesStruggleConditionsSpeciesComplexesVarietyInheritanceSurvivingProfitableVaryNatural SelectionSelectedRecurringOrigin Of SpeciesStruggle For Existence
Book:Darwin on Evolution: Words of Wisdom from the Father of Evolution
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