Question

What's the relationship between humans and microorganisms?

Use what you've learned so far in this assignment to answer the question on the left. You should include information from all three sections to explain what you understand and have learned so far. You should have about five sentences.

Suggested discussion points:
The number and size of the microorganisms in our bodies.
The things we understand microorganisms to do in our bodies.
The things you think happen when our microorganisms change.

Answer 1

There is a close connection between microbes and humans. Experts believe that about half of all human DNA originated from viruses that infected and embedded their nucleic acid in our ancestors' egg and sperm cells. Microbes occupy all of our body surfaces, including the skin, gut, and mucous membranes.