It is all related because in order for a speices to exist or live it must have an relative abundance of land or food in their territories. There also must be a diveristy in mates so that there is no inbreeding. DIversity can also come from the different colors of the species which can show the environment they live(d) in which can help sometimes ward off other predators. I hope this helps.
True as the consequences of there actions can be seen in ethnic enclave disputes in other countries that formerly belonged to the Soviet Union.
Answer:
Pollution is their biggest problem