Final answer:
Hormonal variations, socialization and culture, genetic predispositions, and economic factors are all biological explanations for the perpetuation of gender differences in spatial/mechanical abilities.
Step-by-step explanation:
Several factors contribute to the perpetuation of gender differences in spatial/mechanical abilities. Hormonal variations during brain development can influence these abilities, with males and females experiencing different hormonal levels. Socialization and cultural factors also play a role, as different expectations and opportunities for spatial skills can lead to differences in performance. Additionally, genetic predispositions can affect spatial intelligence, as individuals may inherit certain spatial abilities from their parents. Economic factors, such as access to resources and opportunities, can impact mechanical abilities.