What are the similarities between saprophytic and parasitic nutrition

腐生式和寄生式营养作用有甚的异同处？

The sensitivity and specificity of the assay were evaluated using 7 saprophytic serovars , 37 pathogenic serovars , and 15 other microorganisms .

用7种腐生性血清型，37种致病性血清型以及15种其他微生物评估了本法的特异性和灵敏度。

Large family of mainly saprophytic imperfect fungi .

主要是腐生的半知菌大科。

They are saprophytic bacteria & fungi .

他们是腐生的细菌和菌类。

With a named example , explain saprophytic nutrition .

用例子解释腐生作用.