Question

The _____ theory suggests that favorable behaviors are passed down from generation to generation.

Answer 1

The optimality theory is the theoretical concept that states that behaviors that a fit is the behaviors that are passed thru generations. Although, behavior is subjected to change due to various factors such as the environment, culture, norms and other sociological elements. The natural selection theory in contrast is different, different in the sense that natural selection happens when an organism is forced to adapt due to certain selection forces.

Answer 2

It's natural selection.