Seed plants produce ovules, each of which is a megasporangium surrounded by ___________.

A) integuments
B) megasporangium
C) angiosperms
D) gymnosperms
E) phloem

Integuments

Layers or coverings of an organism or organ, serving to protect or enclose, especially the outer layer of seeds or the skin of humans and animals.

Megasporangium

A plant structure that produces megaspores, which develop into female gametophytes in seed plants and certain ferns.

Ovules

Small structures within the ovary of seed plants that develop into seeds upon fertilization.