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Related Concept Videos

Types of Selection01:46

Types of Selection

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Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
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Mate Choice01:20

Mate Choice

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Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
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Competition02:34

Competition

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When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
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Limits to Natural Selection01:38

Limits to Natural Selection

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Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
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Antibiotic Selection00:57

Antibiotic Selection

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Overview
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What is Natural Selection?01:32

What is Natural Selection?

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Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
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Editors' Best of 2022.

Douglas K Novins, Robert R Althoff, Melissa A Brotman

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    This summary is machine-generated.

    This journal highlights impactful 2022 research articles, selected for their educational and provocative content. Explore these key scientific contributions that warrant a second read.

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    Area of Science:

    • Scientific Publishing
    • Journal Content Curation

    Background:

    • The 2022 volume of the Journal presents a diverse collection of scientific articles.
    • Selecting the 'best' article involves subjective criteria such as interest, surprise, educational value, importance, and provocation.

    Discussion:

    • The editorial team acknowledges inherent biases in article selection, particularly favoring those requiring extensive author and editor collaboration.
    • This curated list represents articles deemed worthy of attention or re-reading by the journal's editors.

    Key Insights:

    • The selection process for highlighting impactful research is detailed.
    • Emphasis is placed on the collaborative effort behind article refinement.

    Outlook:

    • Encourages readers to revisit significant 2022 publications.
    • Suggests that these selected articles offer enduring scientific value and insights.