Please answer the following question: Fact 1: Monotremes are mammals that reproduce by laying eggs. Fact 2: Echidnas are monotremes, or egg laying mammals. Given the two facts above, answer the question "How does an echidna reproduce?" with the following options: - during the day - it can be seen - gastropod shells - Laying eggs - litter - aerobic capacity - mechanical - electrically
A:
Laying eggs