Exam 30: Microorganisms in Marine and Freshwater Ecosystems

If phosphorus is added to water that contains no other major nutrients,the major microbial group that will bloom if the water is exposed to light will be the

Growth in ocean areas that are high nutrient and low chlorophyll (HNLC)is limited by the availability of

Silicobacter pomeroyi produces carbon monoxide dehydrogenases so that it can use carbon monoxide as a source of carbon.

In general,microbial growth in the open ocean is most limited by the availability of

The cyanobacterium Trichodesmium

Much of the loss of biologically available nitrogen in the ocean is now thought to be due to a consortium of microbes carrying out

Salt marshes differ from estuaries in that the freshwater input in salt marshes is from a single source.

The biologically available carbon that is produced within large,lentic rivers and lakes is called ___________.