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  1. Evolution by Natural Selection: Examples and Effects of Adaptation

    • The bollworm, a pest that eats and damages cotton crops, has shown that natural selection can act even faster than scientists can genetically engineer something. Some cotton crops have been geneti… See more

    Elephant Tusks

    African elephants typically have large tusks. The ivory in the tusks is highly valued by some … See more

    HowStuffWorks
    Clover and Cyanide

    Some species of clover developed a mutation that caused the poison cyanide to form in the plant's cells. This gave the clover a bitter taste, making it less likely to be eaten. H… See more

    HowStuffWorks
    Natural Selection in Humans

    What about humans? Are we subject to natural selection as well? It's certain that we were — humans only became humans because an assortment of traits (larger brains, wal… See more

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  2. Natural selection in action1234:
    • Acts by preserving and accumulating beneficial variations.
    • Increases an organism's chances of survival and procreation.
    • Works against all organisms, selecting for those with advantageous DNA sequences.
    • Occurs when the environment exerts pressure, allowing only some phenotypes to survive and reproduce.
    Learn more:
    "Natural Selection acts exclusively by the preservation and accumulation of variations which are beneficial under the conditions to which each creature is exposed. The ultimate result is that each creature tends to become more and more improved in relation to its conditions."
    science.howstuffworks.com/life/evolution/natural-se…
    In natural selection, those variations in the genotype (the entire complex of genes inherited from both parents) that increase an organism’s chances of survival and procreation are preserved and multiplied from generation to generation at the expense of less advantageous variations. Evolution often occurs as a consequence of this process.
    www.britannica.com/science/natural-selection
    Natural selection works against all organisms, and it can be thought of as the environment and forces acting to stop organisms from surviving and reproducing. Therefore, organisms which are able to survive can also pass on their DNA to the next generation. This “selects” for those DNA sequences.
    biologydictionary.net/natural-selection/
    Evolution by natural selection occurs when the environment exerts a pressure on a population so that only some phenotypes survive and reproduce successfully. The stronger the selective pressure or the selection event the fewer individuals make it through the sieve of natural selection.
    bioprinciples.biosci.gatech.edu/module-1-evolution/…
     
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  8. Natural selection | Definition & Processes | Britannica

    WEBnatural selection, process that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype, or genetic constitution. A brief treatment of natural selection …

  9. Evolution by Natural Selection | Biological Principles - gatech.edu

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  27. Natural Selection | Elin Hilderbrand | 9781501219276 | NetGalley