1. Many of the world's 675-plus carnivorous species set passive traps. A bun-size butterwort bristles with gluey hairs that ensnare insects until digestive juices do their work.
2. Many of the world's 675-plus carnivorous species set passive traps. A bun-size butterwort bristles with gluey hairs that ensnare insects until digestive juices do their work.