It's the same in the forest. Every pine tree is different.

Caffeine content in the tea bush makes up 2.5 4 of the leaf's dry weight, and this high content of catechins and caffeine in the tea bush is the result of selection by man for these characters.

You may have many different types of trees, but every pine tree is different. And in the brain it's the same.

What looks like moss covering rocks is actually a shrub comprised of thousands of branches, each containing clusters of tiny green leaves at the end and so densely packed together that you could actually stand on top of it.