alleryHerbivores digest tough plant cellulose with help from:
AStomach acid
BGut bacteria
CLiver bile
DPlain saliva
Answer & Solution
Correct answer: B. Gut bacteria
1. Many herbivores have mutualistic gut flora.
2. Bacteria and protozoans degrade cellulose.
3. Acid, bile and saliva alone do not do it.
_Source: Wikipedia, "Herbivore" (rev 1380138982), section "Lead section"_
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