Answer
a.
Work Step by Step
The seed coat forms from the outer protective layers, or integuments, of the ovule. The endosperm is the part of the seed that contains starch, which becomes food for the developing embryo within the seed. The coleoptile is the sheath covering and protecting the shoot tips of grasses and cereal species. Sepals are structures that support and protect flower petals when the flowers are budding or already in bloom.
