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  1. keannu's Avatar
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    #1

    color preferences arise

    I can't get what this passage means. How can an organism know whether a color is preferable or avoidable to be helpful to its health and safety?

    ==================
    Nicholas Humphrey suggests that color preferences arise because of the different signals that colors convey to organisms in nature. He argues that colors can send “approach" signals, such as the colors of flowers that attract pollinating bees, or “avoid" signals, such as the colors of poisonous toads that warn off potential predators. The underlying idea is that because colors carry information about which kinds of objects an organism should or should not interact with, it would be of benefit if the organism “liked" the colors that send approach signals and “ disliked" the ones that send avoid signals, as these aesthetic experiences will lead the organism to behave adaptively. The bottom line is that the relevance of color-related information for the organism’s health and well-being makes it beneficial for the organism to behave in accord with such color preferences.

  2. konungursvia's Avatar
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    #2

    Re: color preferences arise

    You are failing to consider 2 possible mechanisms:
    1) Natural selection: organisms who have no preference are subject to danger, but members of the same species who randomly have a preference that protects them will survive longer and reproduce more, making the species evolve in their direction.
    2) Learning: not all undesirable events are fatal: a bird that doesn't fear the orange of a poisonous turtle may peck at it, become ill, and remember this next time.

  3. teechar's Avatar
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    #3

    Re: color preferences arise

    Quote Originally Posted by konungursvia View Post
    ... organisms who which have no preference ... but members of the same species who which randomly have a preference ...etc.

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