Linked from
The 27 pages that link to Digestive system, each with the reason it gives.
OmnivoryRelated: Different plant and animal foods place distinct demands on digestion.
OmnivoreRelated: Its structure shapes which plant and animal foods an omnivore can use.
CarnivoreRelated: Digestive anatomy helps determine how an animal processes meat and other foods.
DiadectesRelated: Plant eating would have required processing fibrous food beyond the jaws.
TambaquiRelated: Its digestive tract processes fruits, seeds, and other foods.