Which Statement About the Economic Uses of Plants Is Incorrect

Which statement about the economic uses of plants is incorrect?

A) Due to the abundance of xylem, pine is considered a "soft" wood.
B) Plant compounds are commonly used in pharmaceutical products.
C) The decline of pollinator populations threatens the productivity of angiosperms.
D) Fiddleheads are edible fern sporophytes.
E) Peat moss is used to reduce moisture levels in garden soil.