Your friend claims that phloem always carries sugars down a plant. What, if anything, is wrong with that statement?
a. Phloem can carry sugars down a plant, but it can carry sugars up as well (e.g., if sugars are moving to flowers or fruits).
b. Phloem can carry sugars down a plant, but it can also carry sugars to the left or to the right from its location (e.g. sugars can move to leaves).
c. The statement is completely true.
d. Phloem is responsible for carrying sugars down a plant while xylem carries them up.
Answer: a. Phloem can carry sugars down a plant, but it can carry sugars up as well (e.g., if sugars are moving to flowers or fruits).
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Fill in the blank(s) with the appropriate word(s).
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