Sporangia produce spores that develop into tiny, heart-shaped gametophytes, and asexual reproduction is by spores produced in stalked sporangia . Given these facts, what  by spores develop into tiny, heart-shaped gametophytes among the following options:
- stealing seeds
 - graptolites
 - asexual reproduction
 - impregnating men
 - allow growth
 - Most plants
 - making babies
 - peachleaf willow


 

   asexual reproduction      