Chapter 1: An Invisible World

1. Which of the following is true of the microbial world?

A. All microbes are harmful.
B. Humans could survive without microbes.
C. Many microbes are helpful.
D. Most microbes are pathogenic.

2. When did humans first suspect the existence of microbes?



Answer :

Final answer:

Microorganisms are mostly beneficial and play crucial roles in nature and food production.


Explanation:

Most microorganisms are harmless to humans and, in fact, many are helpful. They play fundamental roles in ecosystems and are essential for making various products like biofuels and medicines. Without microbes, many foods like bread, cheese, and beer wouldn't exist.


Learn more about microorganisms here:

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