http://www.sciencedaily.com/releases/2015/10/151006085230.htm
This article addresses how some predators, in this case killer whales, can move from food chain to food chain when their original source of food is scarce. When this happens, the predators might eat too much of one species, giving abundance to another. Thus putting the food chain(s) out of balance.
This article addresses how some predators, in this case killer whales, can move from food chain to food chain when their original source of food is scarce. When this happens, the predators might eat too much of one species, giving abundance to another. Thus putting the food chain(s) out of balance.