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.
外消化最简单途径也许是腐生生物所利用的方法。
Perhaps the simplest approach to extracellular digestion is that employed by saprophytes.
应用推荐