You are presented with the quiz "Flowers produce spores that can be what?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "flowers produce spores that develop into gametophytes" and "unlike the unisexual gametophytes of a moss, a fern gametophyte is bisexual". 

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


 

        bisexual   