Interestingly, Most Herbivorous Animals Do Not Have the Ability to Digest

Multiple Choice

Interestingly, most herbivorous animals do not have the ability to digest the cellulose in plants. However, in the absence of this ability, a mechanism has evolved that allows them to survive despite eating only plant matter, namely,

A) production of saliva containing amylase.
B) digestion by symbiotic microorganisms.
C) avoidance of plants containing cellulose.
D) converting cellulose to other carbohydrates.