The substance that strengthens and supports cell walls,allowing plants to grow tall and upright is
A) sporophyte.
B) gametophyte.
C) chlorophyll.
D) stomata.
E) lignin.
Correct Answer:
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Q5: _ transport sugars produced by photosynthesis to
Q6: Plants and algae most recently shared a
Q6: What advantage do angiosperms have over gymnosperms?
A)Angiosperms
Q7: In plants,
A) the diploid zygote develops into
Q8: Gymnosperms and angiosperms evolved _ allowing them
Q14: What advantage do ferns have over bryophytes?
A)Ferns
Q14: _ is/are a waxy coating that minimizes
Q15: With few exceptions,which of the following is
Q17: The parts of the plant that absorb
Q20: In flowering plants,the gametophyte is _ the
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