Home » Biology » A characteristic of vertebrates that is unique to mammals is

A characteristic of vertebrates that is unique to mammals is

A characteristic of vertebrates that is unique to mammals is
  • A.
    the presence of pentadctyl limbs
  • B.
    parental care
  • C.
    the possession of scrotum
  • D.
    pulmonary circulation
Correct Answer: Option C
Explanation