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Environmental
Factors
Cycles
Applications
Impact on Humans
200
The name of a bacterium that lives in extreme environments.
What is an extremophile?
200
The abiotic factor that most influences lichen.
What is air pollution?
200
Which of the following doesn't require bacteria? Cheese, meat, wine, yogurt, or none of the above?
What is none of the above?
200
This bacteria is spread through water, and is a big problem in developing nations. It's common name is 'cholera'.
What is Vibrio cholerae?
300
Due to the high saline content and low oxygen content in the Great Salt Lake, bacteria in this environment must be...
What is anaerobic?
300
Which of the following does not affect bacterial growth: pH, temperature, other bacteria, nutrient concentration, or none of the above?
What is none of the above.
300
Denitrifying bacteria play a key role in this natural process.
What is the nitrogen cycle?
300
The process that bacteria undergoes in food such as yogurt.
What is fermentation?
300
Which of the following is a common microbial water contaminent: V. cholerae, E. coli, G. Iamblia, C. parvum, or none of the above?
What is none of the above?
400
The region of the ocean where most aquatic microorganisms are found.
What is the surface (epipelagic)?
500
Bacteria such as Rhizobium and Cyanobacteria convert ammonia to this in the nitrogen cycle.
What is nitrate (NO3-)?