SIMILARITIES BETWEEN APES AND MAN -
- Absence of tail.
- Broadened chest due to flattening of sternum
- Smaller lumber region due to reduced number of lumbar vertebrae
- Relatively larger brain and cranial cavity, efficient memory.
- Prominent brow ridges above the eyes
- Capacity of communication by vocal means
- Highly developed facial musculature for expression of rage, surprise, pleasure and laughter by facial gestures.
- Tendency to line in pairs as couples, menstruation in females & social behavior
- Similarities in blood proteins and banding patterns of chromosomes.