👉 Monoecy is a biological concept in which an organism has two sexes that are distinct from each other. This means that both males and females have reproductive organs, but they do not produce the same type of gametes (sperm or egg) for fertilization. For example, a male duck would have both a male and female duck eggs and produce both types of sperm. On the other hand, a female duck would only produce one type of egg and produce only one type of egg-laying