is the process of learning in which two events that repeatedly occur close together in time become fused in a person's mind and produce the same response. Please choose the correct answer from the following choices, and then select the submit answer button.

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between