'''Bark''' is a hard wood-like material which covers [[tree]]s and helps transfer [[nutrient]]s. 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.<ref>http://treesforlife.org.uk/forest/forest-ecology/tree-bark</ref><br /> | '''Bark''' is a hard wood-like material which covers [[tree]]s and helps transfer [[nutrient]]s. 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.<ref>http://treesforlife.org.uk/forest/forest-ecology/tree-bark</ref><br /> |