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Related Concept Videos

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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Antibiotic Selection00:57

Antibiotic Selection

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Overview
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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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Frequency-dependent Selection01:21

Frequency-dependent Selection

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When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
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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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Natural Selection and Adaptation01:15

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Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations,...
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A COACH-LIKE SELECTION INTERVIEW.

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    This summary is machine-generated.

    Learn interview strategies to effectively assess job candidate behaviors. Discover practical approaches for evaluating potential hires during the hiring process.

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    Area of Science:

    • Organizational Psychology
    • Human Resources Management

    Background:

    • Effective candidate assessment is crucial for successful hiring.
    • Traditional interview methods may not always reveal true job candidate behaviors.

    Purpose of the Study:

    • To identify and outline actionable interview techniques.
    • To provide guidance on gauging candidate behaviors during interviews.

    Main Methods:

    • Review of established interview best practices.
    • Analysis of behavioral interviewing frameworks.
    • Synthesis of expert recommendations for candidate evaluation.

    Main Results:

    • Specific questioning techniques can elicit behavioral insights.
    • Observational cues during interviews offer valuable data.
    • Structured approaches improve the reliability of behavior assessment.

    Conclusions:

    • Implementing targeted interview strategies enhances behavioral assessment.
    • Proactive steps during interviews lead to better hiring decisions.
    • Utilizing these approaches can improve overall recruitment outcomes.