In an Aquatic Microbial Community Where a Photoautotroph, Chemoorganoheterotroph, and Nitrogen

question 55

Essay

In an aquatic microbial community where a photoautotroph, chemoorganoheterotroph, and nitrogen fixing bacterium are present, predict an environmental perturbation that would cause only one to be outcompeted by the other two groups and explain how each group would respond.

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Definitions:

Heredity

The genetic transmission of traits from parents to offspring.

Stage Theory

A theory of development characterized by hypothesizing the existence of distinct periods of life. Stages follow one another in an orderly sequence.

Distinct Periods

Separate or clearly differentiated intervals of time or stages in a process or series of events.

Binet

is associated with Alfred Binet, a French psychologist best known for developing the first intelligence test, aimed at identifying students needing educational assistance.