然而，由于地壳的变动，那些包含着古代动植物尸体的沉积物重新回到了地球表面，在那里他们分解，并又一次的从大气中吸取氧气。
As the crust shifts, however, it can bring sediments containing ancient corpses back to the surface, where they decompose, removing oxygen from the atmosphere once more.
腐生生物从无生命的有机物质，如动植物尸体、食物制品、排泄物等，获得食物。
Saprophytes secure their food from nonliving but organic matter, such as deed bodies of plants and animals food products, excrements, etc.
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