Mitochondria are the energy factories of the cells. The energy currency for the work that animals must do is the energy-rich molecule adenosine triphosphate (ATP). The ATP is produced in the mitochondria using energy stored in food. ... This is a very efficient process for using food energy to make ATP.
It created an opportunity for the mammals to become dominant on earth by wiping out the dinosaurs.
The diagram that would be used would be an energy pyramid.
Overall, minerals from animal products are better absorbed than those from plant because binders such as fiber are not present to hinder absorption.
