Mammals are the only animals that
A) always bear their young alive.
B) have a four-chambered heart.
C) feed their young with body secretions from a mammary gland.
D) have bicuspid teeth.
E) have two condyles on the skull to articulate with the vertebral column.

Question

Quizplus · Accepted Answer

Mammals are uniquely characterized by their ability to produce milk from mammary glands to feed their young, distinguishing them from other animal groups.

Mammals Are the Only Animals That