Which statement describes a difference in the development of marsupial versus eutherian (or placental) mammals?
A) Marsupial young are ejected at the end of the estrous cycle, as the corpus luteum is not maintained.
B) Marsupials undergo a longer gestation, hence the long time spent in the pouch.
C) Only eutherians are born with well-formed jaws, gut, and forelimbs.
D) Marsupials hatch from an egg, whereas eutherians are born.

Question

Quizplus · Accepted Answer

Marsupials give birth to underdeveloped young due to the lack of a prolonged gestation period, as the corpus luteum is not maintained, unlike in eutherians.

Which Statement Describes a Difference in the Development of Marsupial