It depends on the size and type of shape it is, there is no universal formula.
Second option- because if there is too much of the owls, it will be imbalanced and the mouse population will go down
To prove the other scientists wrong.
Warmer. Because a long time ago when Europeans did trade they had fight against hot desert like the kalahari desert
i think it is food because an energy pyramid’s shape shows how the amount energy that enters each level .(chemical energy) witch i believe is in the form of food ,which decreases as it is used by other animals in the same level.
