An ecosystem behaves differently from its individual plant and animal components.
正如一个生态系统的运作也不同于孤零零的一棵植物或者一只动物。
An organism, often a bacterium or fungus, that feeds on and breaks down dead plant or animal matter, thus making organic nutrients available to the ecosystem.
腐生菌；腐生物一种有机物，通常是细菌以死的动植物为食并把它们分解，借此为生态系统提供有机养分。
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