What Is Methanogen

question 29

Multiple Choice

What is methanogen?  

• A) An organism adapted to life in a highly salty environment
• B) An organism that produces a highly salted substance
• C) An organism adapted to life in a methane gas environment
• D) An organism that produces methane gas as a metabolic by-product
• E) An organism that produces methane and carbon dioxide as a metabolic by-product

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Definitions:

Inhospitable

Describing an environment that is harsh, difficult to live in, or unwelcoming to life, often due to extreme conditions.

Correlate

To establish a mutual relationship or connection between two or more things.

Numeric Ages

The dating of geological or archaeological materials based on absolute dating methods, providing specific numbers of years.

Fossils

Preserved remains, impressions, or traces of once-living organisms from the distant past.