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Author Question: In addition to seeds, which of the following characteristics are unique to the s (Read 894 times)

aero

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on: Jul 25, 2013
In addition to seeds, which of the following characteristics are 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


federox

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Reply #1 on: Jul 29, 2013
Pick C. Bye for now.


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aero

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Reply #2 on: Aug 5, 2013
Thanks ;D


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