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Question

The dark inner region of the stem is called _____.

A
Heartwood
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B
Sapwood
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C
Stiffwood
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D
None of these
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Solution

The correct option is A Heartwood
The dark inner region of the stem is called heartwood. Heartwood is the dead, inner wood, which often comprises the majority of a stem's cross-section. You can usually distinguish sapwood from heartwood by its lighter colour.

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