All primate species possess adaptations for climbing trees, as they all descended from tree-dwellers. Chimpanzees are the only nonhuman animal species known to make and use a wide range of complex tools, which may include the … One of the most distinguishable characteristics of primates is their brain. It may be discovered foraging on the bottom and sometimes stays inside a foraging path of roughly 500 meters. Behavior and Biology. Characteristics of Primates. The weight loss program consists primarily of arboreal leaves, however, it contains fruit and flowers relying on the season. Extreme sexual dimorphism is particularly characteristic of the semi-terrestrial monkeys and the great apes. The behavior may be passed down like culture among humans. People may seem very different from lemurs, monkeys and apes, but all primates share a few key physical and behavioral characteristics A subdivision within the primates order based on shared anatomical characteristics; includes tarsiers, New world monkeys, Old world monkeys,apes and humans. Behavioral differentiation of male and female primates involves more than just mating behavior. The olfactory region in primates has been reduced greatly in most species, such as humans, and the cerebrum expanded to accept the … The olfactory region of the brain is highly reduced in primates. The brains of primates often is one of the most distinguishable characteristics from other types of mammals or animals. These primates tend to be larger, active in daytime, and in large social groups. It lives in small teams of lower than four females and 1 to three males. Males are usually larger and physically dominant over females. But, they possess a large forebrain or the cerebrum, increasing the reliance on the sight and social behavior.As a result, primates coordinate their hands with eyes. Primates include lemurs, lorises, tarsiers, monkeys, and apes – a group of species that is well known for being social, smart, and very adept at using their hands. Humans are part of the biological group known as primates.We sure are an unusual species of primate, though!.