Chapter 27: Environmental Microbiology

Microbial bioluminescence

________, or light emission, is an interesting aspect of deep- sea life.

phosphorus cycle

The ________ instead involves changes from soluble to insoluble forms and from organic to inorganic phosphate, often in rela- tion to pH.

Symbiosis

________ is a close association between two unlike organisms that is beneficial to one or both of them.

Microbes

________ that live in extreme conditions of temperature, acidity, alkalinity, or salinity are called extremophiles.

limnetic zone

The ________ consists of the surface of the open water area away from the shore.

nitrogen cycle

The ________ is all organisms need nitrogen to synthesize protein, nucleic acids, and other nitrogen- containing compounds.

The phosphorus cycle instead involves changes from soluble to insoluble forms and from organic to inorganic phosphate, often in rela

tion to pH