What crucial feature distinguishes H. erectus from previous hominids?

H. erectus is distinguished from previous hominids primarily by the controlled use of fire, which represents a significant advancement in their ability to manipulate their environment. The use of fire would have provided numerous advantages, such as cooking food, which makes it easier to digest and more nutritious, as well as offering warmth and protection from predators. This mastery of fire also facilitated social interactions around campfires, contributing to the development of more complex social structures.

While other options, like the ability to use tools, walking upright, and the practice of burying their dead, were present in earlier hominids, the ability to control fire marks a crucial leap in technological and social capabilities. This innovation set the stage for H. erectus to thrive in varied environments, showcasing their adaptability and intelligence.