• Before trees evolved there were giant mushrooms as big as trees. Prototaxites - Wikipedia
• Trees are able to stand so tall and strong because the trunk is made of lignin. When trees first evolved 350 million years ago, there were no parasites that could decompose lignin. No mushrooms. no termites, no anything. Thus, when a tree died, it just stood there. Eventually it would fall, but it would just lay there. It would lay there for 100’s of thousands of years. The dead trees just accumulated on the forest floor. Eventually, that was the source of today’s coal.
• To make plywood, they take a large log and put it on very large lathe that slowly spins the log. They they use an extremely sharp blade as long as a sheet of plywood and use it to shave off a layer of wood. It’s those wood shavings which are used to make plywood, one layer at a time.
• Atlanta is one of the few cities in the world built inside a forest.

Fun Facts About Trees — COMPLETELY CHANGED AND UPDATED*

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Cha Cha Queen

14 fatti divertenti sugli alberi (attribuzione)

*Ho creato questo PPT.