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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
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38 votes
38 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

User Benrwb
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1 Answer

22 votes
22 votes
pollen is unique to the seed producing plants
User Zaffiro
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