Clip of quote: This is natural selection at work. Clip of quote: This is natural selection at work. Yarn is the best way to find video clips by quote. Find the exact moment in a TV show, movie, or music video you want to share. Easily move forward or backward to get to the perfect spot. It's available on the web and also on Android and iOS.
This is natural selection at work.
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This is natural selection at work.
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