主要指细菌、真菌等。把动植物遗体、排泄残落物等，分解成简单的无机物、归还大自然再利用。
Decomposers are organisms, often fungi or bacteria, which break down the carcasses and feces of animals and plants and turn them into simple inorganic materials for reuse by the nature.
芦管石表面极易遗留近代潮虫遗体化石，所以吸水性较强，在假山中，常常在其表面栽种绿色植物。
Flower stone surface legacy modern tide worm fossil remains extremely easily, so the strong water imbibition, in the rockery, often grow green plants on its surface.
研究己成化石的植物和动物的遗体及其生活遗迹的科学。
The study of fossilized, or preserved, remnants of plant and animal life.
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