At some unspecified time in earth s past, God created microscopic algas in the oceans.

在地球历史上的某个时候，上帝创造了海洋中的微小海 。

The microorgan-isms employed include mainly chemical conversion bacteria,phototropic bacteria and alga.

所利用的生物体主要包括：化学转化细、向光性细类。

The study of reef-buiding biont of the Late-Carboniferous in Southern Guizhou rely mainly on alga,such as phylloid-algal and siphonopore algal.

南世生物礁造礁生物研究主要以类为主，如叶状、管孔等。

The lichen is a typical example of the intergrowth among the microorganism, it is fungi, blue bacterium or homobium of the alga.

地衣就是微生物间共生的典型例子，它是真蓝细或类的共生体。