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Natural selection definition - Survival of the Fittest vs. Natural Selection







Recent claims that sexual selection theory is fundamentally flawed are simply wrong and ignore an enormous body of evidence that provides a bedrock of support for this major mechanism of organic evolution.








What is natural selection?



Natural Selection




There are lots of great examples of evolution, even in sexually reproducing species, that happen pretty quickly, on the order of years or decades.




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Description: However, before we examine traits that are not adaptations, it will be useful to specifically define what an adaptation actually is and how we can determine whether or not a trait qualifies as an adaptation.

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Views: 4510 Date: 17.04.2022 Favorited: 128 favorites
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The small finches on the island of Daphna Major have strong beaks to feed on seeds.
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This was because before industrialization no air pollution was there so the tree trunks were lighter in colour as no deposition of smoke and soot took place on tree trunks.
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As resources are limited in nature, the individuals with favorable traits increases the frequency over generations.

Latest Comments

    +264reps
    However, casual use of the phrase by someone without knowledge of natural selection can be misleading.
    By: Hutchison
    +23reps
    Adrian says, 'If you tried to stretch your neck for 10 minutes each morning, then you would probably end up with your neck being a few millimetres longer for a few years.
    By: Greenman
    +527reps
    He argued that natural selection explained how a wide variety of life forms developed over time from a single common ancestor.
    By: Gladdy
    +626reps
    Beagle, including stops in South America, Australia, and the southern tip of Africa.
    By: Karl
    +54reps
    Thanks to a better food source, those with longer necks were able to survive to reproduce and so pass on the characteristic to the succeeding generation.
    By: Pistol
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