You are presented with the quiz "What has an enlarged cummerbund-like band that goes through a major transformation?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adult worms go through a major transformation to develop reproductive organs" and "an enlarged cummerbund-like band near the worm's head holds the reproductive organs". 

So, what's the best answer to the question?


 

    worms       