The name for a complex gruop of organisms that are connected and interact with one another is "system." Systems can be found all over the animal kingdom. Most of the time, the organisms that belong to a particular system cooperate and collaborate with each other in order to remain healthy and safe. Moreover, systems tend to be very structured, and dedicated to the maintenance of balance within it.
Unless they have a permit to inhabit endangered species. They shouldn't be caring for a endangered species, because they could be doing something to hurt it even if they don't mean to. By law they do confiscate them unless you have a permit.
