They figured that the demons would not be able to subsist by themselves.

ECONOMIST: The Amur River

Krill (crustaceans resembling prawns) subsist on phytoplankton and are in turn eaten by fish, squid, jellyfish, seabirds, penguins, seals, whales and other animals.

BBC: How Antarctica works

Over half the Russian people today subsist outside of a money-economy system, surviving by barter and by getting whatever food they can from relatives, friends and neighbors or from what they grow on patches of land in the countryside.

FORBES: Fact and Comment

Lacking regular supply lines, the rebels subsist on goats, onions and the occasional bit of salt donated by friendly peasants.

ECONOMIST: Sudan

Rising up from the desolation is the one shiny thing on the New York side's skyline, the new Seneca Niagara Casino, a hopeful mirage where grannies, suburbanites and cash-strapped locals two-thirds of whom subsist on public assistance unload lives of quiet desperation, quarter by quarter, into the slots.

NPR: Excerpt: 'Inventing Niagara'

Monkey Point is inhabited by the Rama and Creole communities who live in isolation and are people of predominately African ancestry who subsist on fish and jungle animals.

CENTERFORSECURITYPOLICY: Tehran threat in the US�� backyard