If Bacteria and Archaea Are Removed from an Ecosystem,which of the Following

question 33

Multiple Choice

If bacteria and archaea are removed from an ecosystem,which of the following environmental services would be absent?

• A) nitrogen fixation
• B) capture of energy from sunlight
• C) decomposition of dead matter
• D) dissimilation of biomass by respiration

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Definitions:

Probability Distribution

A mathematical function that calculates the likelihood of various potential outcomes of an experiment.

Shopping Outlet

A retail store or complex offering goods from various manufacturers, often at discounted prices.

Y

Often used to represent a dependent variable in mathematical equations and models.

Random Variables

Variables whose possible values are numerical outcomes of a random phenomenon.