Siti observed that a plant's leaves started to wilt after the outer ring of the stem was removed. Which part of the transport system was likely removed?
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Worked Solution
Step 1: The outer ring of the stem contains the food-carrying tubes (phloem).
Step 2: Xylem (water-carrying tubes) is located in the inner part of the stem.
Step 3: Removing the outer ring prevents food from reaching the roots, eventually causing the plant to fail.
Correct answer: Phloem only
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