Which of the following is a shared ancestral trait that platypuses share with other mammals?

A) teats
B) mammary glands
C) venom
D) a and b
E) none of the above

Mammary Glands

Specialized organs in mammals that produce milk to nourish newborn offspring, part of the reproductive system.

Ancestral Trait

A trait or characteristic that existed in an ancestor and may be retained or altered in its descendants through evolution.

Platypuses

Egg-laying mammals known for their unique set of characteristics that blend traits of both mammals and reptiles.