Animals have such an important role in the world; without animals humans would not be able to survive. If one type of species becomes extinct, it would affect one link in the food chain. Humans underestimate animal intelligence, their capabilities, and their importance. Evolution has changed how humans and animals interact with each other. Charles Darwin brought the idea of evolution to the world and the theory survival of the fittest, and recognized animal consciousness (…showed first 75 words of 2064 total…

…showed last 75 words of 2064 total…Dogs." New Science 175 (3 August <Tab/>2002): 20. University of Delaware Expanded Academic ASAP Plus. 23 <Tab/>November 2005. Page, George. Inside the Animal Mind. New York: Doubleday. 1999. Scott, John. Animal Behavior. Chicago: The University of Chicago Press, 1972. Seve, Karen. "Animal Intelligence. How brainy are they?" Marc Hauser's Primate <Tab/>Cognitive Neuroscience. 26 November 2001. <Tab/>http://www.findarticles.com/p/articles/mi_m1590/is_6_58/ai_80748082