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Describe characteristics of heartwood....

Describe characteristics of heartwood.

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### Step-by-Step Solution: 1. **Definition of Heartwood**: Heartwood is the central or inner part of a tree's trunk that is dark in color. It is also referred to as duramen. 2. **Formation**: Heartwood is formed during the secondary growth of dicotyledonous stems. This growth involves the accumulation of secondary xylem. 3. **Composition**: The cells that make up heartwood are degenerated, meaning they are no longer functional in terms of water conduction. ...
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