More holistic approach needed when studying the diets of our ancestors

Researchers have long debated how and what our ancestors ate. Charles Darwin hypothesized that the hunting of game animals was a defining feature of early hominids, one that was linked with both upright walking and advanced tool use and that isolated these species from their closest relatives (such as ancestors of chimpanzees); modified versions of this hypothesis exist to this day. Other scholars insist that while our ancestors' diets did include meat, it was predominantly scavenged and not hun