Ill vote branlliest!
How did migration lead to the population of the world?

The more people that came to a certain place gained its population, while the people that left decreased the population .

Climate Change Some of the biggest human migrations coincided with major changes in climate, according to a new analysis. Researchers say early humans set out in search of climates where more food was available. And some populations stayed put in certain locations because barriers like glaciers blocked their progress.

Organism, organ system, organs, tissue, cells