Sporangia produce spores that develop into tiny, heart-shaped gametophytes.
Gametophytes are photosynthetic and often heart-shaped.
Sporangia produce spores that develop into tiny photosynthetics.
sporangia produce sports that develop into tiny what?

1. in the autumn season
2. reproduce
3. at or near the margins
4. They grow better
5. barnacles
6. allow growth
7. photosynthetics
8. shrub beds