How do worms dig their holes?
by 
Halskiisaklink
ANSWERS: 2
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I believe earthworms dig by eating their way through the earth.
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They don't technically "dig" a hole at all. They "eat" a hole instead. They pass the soil through their bodies, digesting some of the microbes in the soil as it passes. The resulting waste is known as "worm castings" and is considered to be an excellent fertilizer. You can learn more at this site: http://wormdigest.org/
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