Suppose you have two small plants. You cut the roots off of one and then place both plants in a jar of red dye. After 20 minutes, the roots, stem, and leaves of the plant with roots have turned pink. The plant without roots has not changed color at all
Why has the plant without roots remained a normal, green color?
A) Cutting the roots has damaged the xylem, so the plant can no longer take up water.
B) Cutting the roots has damaged the phloem, so the plant can no longer take up water.
C) Cutting the roots has damaged the apical meristem, so the plant can no longer take up water.
D) Cutting the roots has damaged the sporangia, so the plant can no longer take up water.
Answer: A
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