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.
Answer: B
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.
Answer: B
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