Q:You are presented with the question "A platypus is an example of _." and the following answer choices: - Marsupial. - Monotremes. - insects - animals - killing insects - Amphibian. - Placental mammal. - matter vibrating Now knowing that monotremes are mammals that reproduce by laying eggs and well, platypuses are mammals, and they lay eggs, choose the best answer.
A:
Monotremes.