Multiple Choice
A key step in the evolution of vascular plants was the ability to produce __________, a strengthening polymer in the walls of cells that function in support and conduction.
A) lignin
B) cellulose
C) starch
D) fructose
E) cutin
Correct Answer:

Verified
Correct Answer:
Verified
Q3: An important difference between plants and algae
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Q6: Horsetails belong to the phylum Pteridophyta.<br>_
Q7: The oldest known fossils suggest that the
Q9: Terrestrial plants obtain carbon dioxide, required for
Q10: MATCHING<br>Match the plant phylum with the appropriate
Q11: The most economically important bryophyte is:<br>A) Equisetum.<br>B)
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Q19: The _ generation is dominant in mosses,
Q36: A sorus is a cluster of sporangia.