Fact 1: Adult worms go through a major transformation to develop reproductive organs. Fact 2: Marine flatworms belong to a major group of worms called the Platyhelminthes. Given the two facts above, answer the question "When do platyhelminthes reproductive organs develop?" with the following options: - when they become adults - It helps them survive - produce offspring - By wind and rain - during the day - members of their own species - an area swollen with pus - Something coming from a gland
when they become adults