They are near the bottom of the food chain - a meal for fish and birds - while humans eat from the top of the food chain, consuming an astonishing array of what lies on the planet. But eventually, even we become food for the worms. Shakespeare saw this connection, writing in Hamlet, "A man may fish with a worm that hath eat of a king, and eat of a fish that hath fed of that worm.
Amy  Stewart
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