A food webs are structures of species that eat one another. If any part of the food web is damaged, the ecosystem suffers as a whole, and most of the populations of most of the species in it will decline. This is most obviously seen in the example of predators, which lose their prey and will therefore go extinct, but a lack of predators may mean that herbivuor populations grow too much, and destroy the populations of their food, leading them to go extinct as well. Also,