A second factor is that, as hunting declines have made hunting less efficient, the increasing number of domesticated wild plants has given rise to domestication. more and more effective. Cat 2020 the year when shit got real quarantined. For example, the climate change at the end of the Pleitocene in the Phei Crescent region widened the boundaries of the environment with wild grains from which one could reap bumper harvests in a short time. Those wild grain harvests were the precursors to the domestication of the earliest crops, wheat and barley crops in the Crescent region.