Which of the following is a false statement?
◦ The least-functioning sense at birth is vision.
◦ Babies can tell the difference between the smell of their mother's milk and another's within a few days of birth.
◦ The rods are mostly developed at birth, but cones take another six months to develop.
◦ Babies cannot hear until after they are born.
◦ Babies prefer sweet tastes over sour and bitter ones.