Explain why microorganisms living in the large intestine are an example of mutualism

Microorganisms digest food and other materials in our bodies that help us in the long run. In return they get a home in our stomach and food!

Explanation:

Microorganisms can also produce Vitamin K, which is used for blood clotting and helping wounds heal. Hope this helped! :)

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.