Ruminants' stomachs have microbes to digest ____.

A) starch
B) proteins
C) cellulose
D) lignin
E) lipids

Ruminants

A group of herbivorous mammals that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, mainly through microbial actions.

Cellulose

Tough, insoluble polysaccharide of glucose monomers; the major structural material in plants.

Microbes

Microscopic organisms, including bacteria, viruses, fungi, and protozoa, that can be either beneficial or harmful to other organisms.