You are presented with the quiz "sporangia produce sports that develop into tiny what?" 

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 "gametophytes are photosynthetic and often heart-shaped". 

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


 

       photosynthetics    