Question

When humans began raising animals for milk, what was the advantage of being able to digest lactose as an adult?

(1 point)
Responses

It provided a new source of nutrition.
It provided a new source of nutrition.

It made humans grow much taller.
It made humans grow much taller.

It prevented diseases from animal milk.
It prevented diseases from animal milk.

It allowed animals to produce more milk.
It allowed animals to produce more milk.

Answer 1

It provided a new source of nutrition.

Being lactase-persistent let adults digest milk, giving extra calories, protein and calcium and improving survival/reproductive success.