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.
Answer:
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Glucose + Oxygen -----> Carbon Dioxide + Water
Energy is also release in the form of ATP.
Because the animals and plants and insects and fungus could be more close
