这样会使落叶集中起来，并且去除较大的树叶和树枝。
This will concentrate the litter and remove larger leaves and twigs.
在雨林中，很少有光透过树叶和树枝形成的树荫到达地面——或者接近地面——在这些高度上，黄色到绿色的波长占主导地位。
Very little light filters through the canopy of leaves and branches in a rain forest to reach ground level—or close to the ground—and at those levels the yellow-to-green wavelengths predominate.
他们还用树木和树枝在溪流和湖泊中建造家园。
They also use trees and tree branches to construct their homes in streams and lakes.
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