But the benefits of eating flesh are not the ones you ... "They eventually burn themselves out," says Ellison. Humans also threaten carnivorous plants in other ways. The black market trade in ...

There are currently around 630 species of carnivorous plant known to science. Although most meat-eating plants consume insects, larger plants are capable of digesting reptiles and small mammals.

For decades, scientists have believed that meat-eating drove human evolution, particularly our enlarged brains.