Question

Researchers argue that some bacteria found in the human gut are in a symbiotic relationship with humans, called mutualism. Which of the following observations is consistent with this argument?

Answer 1

Bacteria increase the risk of cancer in humans.

Answer 2

Bacteria increase te risk of cancer in humans.

Step-by-step explanation:

When two species benefit from each other, the symbiosis is called mutualism (or syntropy, or crossfeeding). For example, humans have a mutualistic relationship with the bacterium Bacteroides thetaiotetraiotamicron, which lives in the intestinal tract.