When an important predator starfish 'Piasater' was experimentally removed from an enclosed idertidal area of communities of the American Pacific coast, it resulted in extinction of +10 species of invertebrates with in a year? why?
There was an overpopulation of prey
The predators are important because they keep the prey in line. Otherwise, the prey, generally herbivores, eat up all the plants like seaweed, which everything depends on. This results in the extinction of many species