Carnivorous plants live in acid bogs where soils are poor in nitrogen and other minerals.
Venus' flytraps catch ants and grasshoppers. Two leaf lobes close in half a second when triggered by sensory hairs. Pitcher plants have water-filled funnels. The insects drown and are digested by enzymes. Sundews exude a sticky fluid that glitters like dew. Insects get stuck to the leaf hairs, which enfold the prey. Video: