Is a dog active? It can be considered a collection of atoms that modifies its surroundings in a way to create similar collections of atoms. I kind of see the

Is a dog active? It can be considered a collection of atoms that modifies its surroundings in a way to create similar collections of atoms. I kind of see the point of not calling a virus a living thing. But if viruses aren't even "active" I don't really know why a cell (or even a dog) would be "active".