Sperm cannot fertilize an oocyte until they a. are activated by sustentacular cells of the vagina. b. undergo activation. c. are in the vagina for 3 days. d. lose their acrosome. e. undergo capacitation.

Option (e) undergo capacitation

Ifound this on google “according to the findings, a foramen magnum positioned toward the base of the skull is found not only in humans, but in other habitually bipedal mammals as well.” i hope this you for what your looking for