Charles Darwin: Worms seize leaves and other objects, not only to serve as food, but for plugging up the mouths of their burrows; and th

Worms seize leaves and other objects, not only to serve as food, but for pluggin — Charles Darwin

Worms seize leaves and other objects, not only to serve as food, but for plugging up the mouths of their burrows; and this is one of their strongest instincts.

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