How do female mammals differ from male mammals?

Answer 1

Females have the babies and give milk to the baby. Males sometimes guard the female but most of the time they just want nothing to do with it. For example male lions guard their prides all of the cubs are his and the females take care of all the babies together like daycare workers the male sees another male lion he will chase it off to protect the females.

Answer 2

Females have a pair of X chromosomes in each cell (one from each parent). Males have a single X chromosome (from their mother) and a much smaller Y chromosome (form their father) in each cell.

Answer 3

There isn't. It's because they are the same.