Pine trees are the predominant softwood of the Northern Hemisphere, found over all continents, especially in well drained, acidic soils, to which they are better adapted than other plants.
They have no hard wood, and very sticky sap. The sap is also... quite flammable. At some stage in history, they must have been having a problem with forest fires, because a rather interesting adaptation turns up: sealed cones.
Close my cones and keep my seeds inside.
Let my seeds fly free
Evolution starts with the Last Universal Ancestor.
You can find out what happened before evolution here.
You can also short-cut to Land plants, or Animals
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