13.3k views
4 votes
In addition to seeds, which of the following characteristics is unique to the seed-producing plants?

A) sporopollenin
B) lignin present in cell walls
C) pollen
D) use of air currents as a dispersal agent
E) megaphylls

1 Answer

4 votes
pollen is unique to the seed producing plants
User Warchantua
by
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