Common to all on Earth and everywhere

A Common trait seen of this planet of all forms is the irresistable habit to consume/feed.  No exception known.

Likewise applied: rocks "eat" rocks

Galaxies "eat" galaxies and stars

Stars "eat" interstellar gas and rock planets

Black holes "eat" stars, galaxies, interstellar gas

Note: the material herein is not necessarily a reflection of the entropy of current societies.