The Evolution of Bipedal Beings

Our bipedal form of locomotion is also to blame for such discomforts as neck and back pain, knee problems, complicated births, hemorrhoids, hernias, fainting, and fractured hips among others. The myriad effects that gravity alone has on shaping the physical and behavioral characteristics of an organism suggest that even if intelligent extraterrestrial beings do exist, we may be the only advanced bipedal beings in the galactic neighborhood. Reports of close encounters also indicate that we and the visitors share traits like bilateral symmetry, relative hairlessness, dexterityous hands, sexual reproduction,. A large and globular brain, big eyes, a small mouth, and nose. These shared derived traits are