What was a major consequence of the large-scale ecological changes in africa around 60,000 and 10,000 years ago? australopithecus africanus survived by building structures to store water and grain. neanderthals and cro-magnons fought wars to control game herds. bigger-brained hominins such as homo sapiens survived because they adapted to changing environments. spreading ice sheets led to the death of many animals hunted by early hominins.

Option: Bigger-brained hominids such as Homo sapiens survived because they adapted to changing environments.

Explanation:  

The large-scale ecological changes in Africa around 60,000 and 10,000 years ago led to a change in climatic transformations that were happening around that time. Homo sapiens developed practices that helped them respond to the challenges of survival. They also spread out of Africa in small groups in the farthest reaches of the Earth. It was also recorded in the expansion of the population after the migration from Africa.

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.