Bonobos And Chimpanzee Similarities

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The chimpanzee and another ape, the bonobo, are humans' closest living relatives. These three species look alike in many ways, both in body and behavior. As our closest living relatives, chimpanzees and bonobos have been widely used as models of the behavior of early hominids. In recent years, as information on the social behavior and ecology of bonobos has come to light, many interspecific comparisons have been made. Molecular studies indicate that humans, chimpanzees and bonobos are very closely related in a lineage that split into hominid and Pan lines approximately 6–7million years ago, possibly following a divergence from the gorilla lineage about 1–of 2 million years earlier. Chimpanzees have been characterized in terms of their intercommunity …show more content…
They communicate verbally using a variety of hoots, grunts, screams, pants, and other vocalizations. Most of their communication, however, is done through gestures and facial expressions. Many of their facial expressions – surprise, grinning, pleading, comforting – are the same as those of humans. However, humans smile by bearing their teeth, which is for chimps and many other animals a sign of aggression or danger. A much greater portion of human communication is done through vocalizations. Humans uniquely have complex vocal chords, allowing us a great range of sounds, but preventing us from drinking and breathing simultaneously like chimpanzees can. Moreover, we have very muscular tongues and lips, allowing us accurate manipulations of our voices. This is why we have pointy chins whereas chimps have receding chins – we attach our many lip muscles to the prominent lower chin, but chimpanzees lack many of these muscles and so do not need a protruding chin. Chimpanzees and humans are both omnivorous (eat plants and meat). Humans are more carnivorous than chimpanzees, and have intestines more refined towards the digestion of meat. Chimpanzees will occasionally hunt and kill other mammals, often monkeys, but otherwise restrict themselves to fruit and sometimes insects. Humans are much more dependent on meat – humans can only obtain vitamin B12 naturally through

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