Limit to digestion and long term energy storage?

I've created a species that, instead of eating multiple times a day like us, eats one tremendous meal and survives off of the fat stores for long periods of time. My question is about feasibility.

First, how chemically efficient is the human digestive system? As far as digestion goes, we can process and absorb a tremendous variety of foods, indicating high efficiency. But, how much of the chemical energy stored in that food do we actually absorb?

My second question: how efficient is fat storage, and could it feasibly be more biologically efficient?

posted almost 8 years ago

Gaius The Observer‭

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