If during asexual reproduction the spore enclosures produce heart-shaped gametophytes, then when does spore enclosure produce heart-shaped gametophytes?

Answer choices:
- The area was once underwater
 - peachleaf willow
 - It helps them survive
 - Asexual reproduction
 - during the day
 - by indirect light
 - allow growth
 - in the autumn season

 

    Asexual reproduction      