In human populations, ethnic hatred and civil war can cause two populations to become reproductively isolated as happened in Rwanda where the Tutsi and Huttus blamed each other for the problems of their nation and with the result of no friendly relation between the two and a resulting genocide.
It starts when you put food in your mouth, then goes to the stomach, where the proccess begins
Answer:
Biodiversity will decrease, and sustainability will decrease
Explanation:
