Difference between revisions of "Tree bark"
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Latest revision as of 01:36, June 28, 2016
Bark is a hard wood-like material which covers trees and helps transfer nutrients. In is also a part of the tree's cambium, which adds a new layer of sap wood every year. The outside of the bark which is usually seen is known as the cork cambium, which is a hard, generally dry protective covering.[1]
Bark is also onomatopoeia for the vocal sound dogs sometimes make.