I was watching a war movie when there was a scene where the enemy walks out of the tree line and into the field for a battle. This got me thinking.
What causes there to be natural groupings of trees like forests and natural areas with relatively nothing like meadows? What is the natural cause for a relatively straight tree line that leads to a wide clearing?
In: Biology
Some meadows, I believe, are where a beaver pond (since vanished) killed the trees by drowning their roots.
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