Perhaps the simplest approach to extracellular digestion is that employed by saprophytes.

外消化最简单途径也许是腐生生物所利用的方法。

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In spite of these variations, however, all fungi carry out extracellular digestion: they secrete enzymes that digest organic matter, and then they absorb the resulting nutrients.

不管如何变化，所有真菌都是细胞外消化。他们分泌酶消化有机物，然后吸收有效的营养物质。

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