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Storylines often revolve around the tension between the strongest mate (the Alpha) and the kindest mate (the Companion).
Early hominins, like the famous Australopithecus afarensis (of which the "Lucy" fossil is a member), exhibited a surprising level of sexual dimorphism. A study re-examining fossil samples of A. afarensis and A. africanus found that males were markedly larger and heavier than females, with the size gap in A. afarensis being more pronounced than in modern gorillas. This extreme difference strongly suggests a social structure characterized by intense male-male competition for mates, likely forming a polygynous system similar to the harems seen in gorillas today. aadimanav sex