What is the difference between the heartwood and sapwood of a tree?
A) Heartwood no longer transports water and minerals,while sapwood still conducts xylem sap.
B) Heartwood contains xylem and sapwood contains phloem.
C) Heartwood contains old phloem that no longer functions,and sapwood contains functioning phloem.
D) Sapwood contains xylem and heartwood contains phloem.
Correct Answer:
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