Unlike eutherians, both monotremes and marsupials
A) lack nipples.
B) have some embryonic development outside the uterus.
C) lay eggs.
D) are found in Australia and Africa.
E) include only insectivores and herbivores.

Question

Quizplus · Accepted Answer

Monotremes and marsupials both have some embryonic development outside the uterus. Monotremes lay eggs, and the young hatch outside the mother's body. Marsupials give birth to live young that are not fully developed and continue to grow in a pouch outside the uterus.

Unlike Eutherians, Both Monotremes and Marsupials