This essay involves the similarities between primates and modern humans. The research conducted by Strier examines the diet of monkeys in relation to the types of food that are available. She explores the properties of plants in Brazil’s Atlantic forest for the medicinal purposes they provide to both primates as well as humans. However, Smut observes the relationship of aggression and sexual coercion between humans and nonhuman primates. Strier advocates that the diet of a species is in direst association to the physiology, anatomy, adaptive behavior, social relationships, health and the reproductive cycle of that species’. Strier