You are presented with the quiz "When does spore enclosure produce heart-shaped gametophytes?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sporangia produce spores that develop into tiny, heart-shaped gametophytes" and "asexual reproduction is by sporangia or conidia". 

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


 

    Asexual reproduction       