You Have Discovered a New Microorganism and Would Like to Classify

question 27

Multiple Choice

You have discovered a new microorganism and would like to classify it as a eukaryote or a prokaryote. To investigate this question you prepare a slide with a simple stain and view it with a light microscope with a 40X objective lens and 10X ocular lens. You also prepare a control slide using Saccharomyces cerevisiae (a unicellular eukaryote) . You can see the cells on your control slide, but you don't see cells when you look at your unknown microorganism. What can you conclude from this experiment?

• A) The experiment failed to visualize the organism because the stain killed it.
• B) Your new unknown microorganism is probably a virus.
• C) The cells of the new unknown microorganism may be too small to see with the objective and ocular lenses you used.
• D) The new unknown microorganism is probably an archaeon.

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Definitions:

Standard of Living

The level of wealth, comfort, material goods, and necessities available to a person, group, or society.

Birthrate

The ratio of total live births to the population in a specified area or period, usually calculated per thousand inhabitants per year.

Demographic Transition

A theory describing the transition from high birth and death rates to lower birth and death rates as a country develops from a pre-industrial to an industrialized economic system.

Demographic Transition

A model describing the transformation of birth and death rates from high to low levels in a society over time, typically associated with economic development.