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 | So should we let the worm/bird thing go? |  |
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 | Maybe, but wait--what do the worms do with those clitella on their heads?? |  |
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 | Well, let's see...okay, according to the University of Illinois "Worm Facts," in an acre of land, there can be a million worms! |  |
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 | Yum! |  |
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 | And the largest worm ever found was 22 feet long! |  |
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 | !nteresting, but what about the clitella on their heads?? |  |
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