What is a living organism so small that it can only be seen under a microscope?

Prepare for the Credentia California CNA Test. Utilize flashcards and multiple-choice questions, complete with hints and explanations. Gear up for your CNA certification!

Multiple Choice

What is a living organism so small that it can only be seen under a microscope?

Explanation:
A living thing that’s too small to see without a microscope is a microorganism. Microorganisms are tiny living organisms—things like bacteria, yeast, algae, and protozoa—that require magnification to be seen. The other terms are not living organisms: MSDS is a Material Safety Data Sheet, a safety document; Mobility is a general concept of movement; multiple sclerosis is a disease. So the word that fits the description best is microorganism.

A living thing that’s too small to see without a microscope is a microorganism. Microorganisms are tiny living organisms—things like bacteria, yeast, algae, and protozoa—that require magnification to be seen. The other terms are not living organisms: MSDS is a Material Safety Data Sheet, a safety document; Mobility is a general concept of movement; multiple sclerosis is a disease. So the word that fits the description best is microorganism.

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