If you stopped eating what would be the first, second, and third organic compound your body would use for energy

If you stopped eating the first organic compound your body would use for energy is glycogen. The body begins to break down glycogen into glucose, which your cells use as fuel. The second organic compound is fat: body must breaks down fat into fatty acids for energy. The third compound are the organic reserves. The body has not stores of sugar and fat, and starts to use protein reserves.

Reduction in overall biodiversity