alga GMAT专八

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

历史上的个时候，上了海洋中的微小海 藻 。

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

所利用的生物体主要包括：化学转化细菌、向光性细菌和藻类。

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

黔南晚石炭世生物礁礁生物研究主要以藻类为主，如叶状藻、管孔藻等。

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

衣就是微生物间共生的典型例子，它是真菌和蓝细菌或藻类的共生体。