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TRUE OR FALSE: Adult mammals need milk.

  1. True

  2. False

  3. Only when they are young

  4. It depends on the species

The correct answer is: False

The statement that adult mammals need milk is false. Adult mammals typically do not require milk as a vital part of their diet. Most mammals, including humans, lose the ability to digest lactose, the sugar found in milk, after weaning. This is a result of decreased production of lactase, the enzyme necessary for breaking down lactose, making it challenging for many adults to consume significant amounts of milk without experiencing digestive issues. While some mammals may retain the ability to tolerate lactose as adults, this is not true for all species and is largely dependent on genetic factors and evolutionary adaptations. Therefore, saying that adult mammals need milk is not accurate, as their nutritional requirements shift away from milk as they mature.