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Carnivorous plants have evolved ways of trapping insects. Snap traps work along the lines of an old-fashioned mousetrap. Scientists have finally worked out how the Venus flytrap can close its trap so quickly.
Roridula, a South African plant covered in sticky resin blobs which trap insects, lack digestive glands. Roridula depend on Pameridea bugs, which are only found among these branches, to process the trapped insects and to leave behind droppings as fertilizer.
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