A.6.6~7 B.7.2~7.6 C.7.8~8.2 D.8.4~8.8 E.6.2~6.6
A.20~30s B.20~30min C.2~3h D.2~3d E.2~3周
A.寄生菌B.光能自養(yǎng)菌C.腐生菌D.化能自養(yǎng)菌E.自養(yǎng)菌