Why did 40% of the human population evolve to tolerate lactose? (1 point) People who have an intolerance experience physical pain, so a tolerance evolved to avoid that . Babies rely on milk to survive, so they need to be able to tolerate lactose. Lactose tolerance allows people to enjoy a wide variety of food including milk, butter, ice cream, and cheese . Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage.
