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Biology: The Unity and Diversity o...
Biology: The Unity and Diversity o...
Although rabbits cannot break cellulose down into simple sugars, the bacteria that live in their cecum can. However, for a rabbit to make use of the nutrients released by bacterial action, it must eat its feces. Why is this second round of ingestion necessary?
To determine: The requirement of second round of ingestion of its own feces seen among rabbits.
Concept introduction: In rabbits, cecum plays an important role in digesting foods. Rabbit’s cecum has more digestive capacity than their stomach. A massive quantity of microorganisms especially bacteria resides in their cecum. Bacteria can ferment or digest the indigestible materials present in the cecum. This could be an example for mutual association between the rabbit and the beneficial gut bacterium.
Chapter 39 Solutions
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