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Animals usually eat plants, but where soil is poor and nutrients scarce, some plants have adapted and feed on insects in order to survive. Excellent photography shows how these carnivorous plants trap and digest their food. Classifies the plants as a passive, semiactive, or active trap. Shows the cobra lily, pitcher plant, Cephalotus, sundew, Venus flytrap, and others. Notes that the "trap" is a modified leaf, not a flower.
