Cows can derive nutrients from cellulose because
A) they produce the enzymes that break down cellulose.
B) they chew their food so thoroughly that cellulose fibers are broken down.
C) their intestinal tract contains cellulose-hydrolyzing microorganisms.
D) they convert cellulose into starch, which is easily broken down in the intestinal tract.

Question

Quizplus · Accepted Answer

Cows have a four-chambered stomach that breaks down cellulose with the help of microorganisms, such as bacteria and protozoans, that reside in their digestive tract. These microorganisms have the ability to break down cellulose into simpler forms that can be used as an energy source by the cow. Therefore, Option C is the correct answer.

Cows Can Derive Nutrients from Cellulose Because