Final answer:
Babies acquire immunity through antibodies passed from the mother, either via placenta or breast milk.
Explanation:
Naturally acquired passive immunity occurs when a baby receives antibodies from the mother, either through the placenta during pregnancy or through breast milk after birth.
Example 1: The transfer of IgG from mother to fetus through the placenta.
Example 2: The presence of IgA and IgG in human colostrum and breast milk.
Learn more about Immunity in infants and newborns here:
https://brainly.com/question/37258239
