What do we learn from comparing the degree of sexual dimorphism among humans to that of other species?

Sexual dimorphism can be defined as a condition where the male and female of a species exhibit different characteristics.

Comparing the degree of sexual dimorphism in humans to other species, it is found that male and female have more similarities than differences.

Estrogens and androgens are both types of activational hormones released by glands or cells in the human body ... Hormones have been linked to only a few of the differences between males and females ...