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The cutting-a-worm-in-half myth

Posted on March 22, 2016 at 6:05 PM

If a worm is cut in half, will both parts grow back? The answer is "It depends". Worms do have a remarkable capacity to regenerate lost or injured parts, but this capacity is limited. Depending on where the worm was cut, the anterior end may be able to regenerate a new tail. The trail, however, can not regrow a new head.

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