The Valpo Core Reader


David Van Dyke

Document Type

Process Analysis Essay

Publication Date



The food chain is long and complex: a predator preys on one type of animal which has been, in its turn, predator to several other animals. This constant cycle usually operates both widely and smoothly. However, in some rare cases, an animal is suited to its environment so well that it has defeated every predator except one, a predator which, in turn, is so well adapted in body and behavior that it rarely eats anything except this single prey. One of these rare cases of behavioral and bodily adaptations occurs between two animals called the porcupine and the fisher.