The differences between springwood and summerwood produce the distinctive rings seen in a tree trunk. Springwood...

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The differences between springwood and summerwood produce the distinctive rings seen in a tree trunk. Springwood is seen as lighter rings and summerwood is seen as darker rings. The age of a tree can be determined by counting each dark ring. The dark center is called heartwood and is the oldest part of the tree. The xylem found in the heartwood is very strong and does not conduct water. Why is heartwood considered dead? summerwood springwood The differences between springwood and summerwood produce the distinctive rings seen in a tree trunk. Springwood is seen as lighter rings and summerwood is seen as darker rings. The age of a tree can be determined by counting each dark ring. The dark center is called heartwood and is the oldest part of the tree. The xylem found in the heartwood is very strong and does not conduct water. Why is heartwood considered dead? summerwood springwood

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The trunk of the tree is made up of Heartwood and Sapwood which in turn are d... View the full answer