Microorganisms Are an Essential Part of the Web of Life

question 253

Multiple Choice

Microorganisms are an essential part of the web of life in every environment. Microorganisms in the oceans and in bodies of fresh water capture energy from sunlight and store it in molecules that other organisms use as food. They decompose dead organisms and waste materials from living organisms. And they even make nitrogen available to plants. Jacquelyn C. Black, Microbiology: Principles and Explorations

• A) Argument; conclusion: Microorganisms in the oceans ... use as food.
• B) Argument; conclusion: And they even make nitrogen available to plants.
• C) Argument; conclusion: Microorganisms are an essential part ... environment.
• D) Argument; conclusion: They decompose dead organisms ... living organisms.
• E) Nonargument.

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Definitions:

Disarmament

The reduction or withdrawal of military forces and weapons, aimed at reducing the potential for conflict or war.

Concealment of Random Allocation

A technique used in randomized controlled trials to prevent selection bias by concealing the allocation sequence from those assigning participants to intervention groups.

Intervention Group

A group in a scientific study that receives the treatment or intervention being tested, as opposed to a control group which does not.

Control Group

A group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.