| i. | They do not walk fully erect (semi-erect). | They walk fully erect. |
| ii. | Apes have prognathous face and slanting forehead. | Man has orthognathous face and straight forehead. |
| iii. | Locomotion is quadrupedal. | ace and straight forehead. iii. Locomotion is quadrupedal. |
| iv. | The arms are longer than the legs and come below the knees. | The arms are shorter than the legs and do not reach the knees. |
| v. | Cranial/brain capacity is only about 400 cc. | Cranial capacity is about 1500 cc. |
| vi. | Pelvic girdle is narrow and elongated | Pelvic girdle is broad and flattened. |
| vii. | Vertebral column forms a simple curving arch. | Vertebral column has S-shaped curve. |
| viii | Neck is short and head burried in heavy shoulder. | Erect neck with distinct head and neck muscles. |
| ix | They cannot use spoken or written language for communication. | They can use both spoken and written language for communication. |
| x. | Foramen magnum in skull is directed backward. | Foramen magnum in skull is directed downward. |
