During which of Piaget's stages does the child learn to reason logically about hypothetical situations?

Genes vary in terms of their reaction range, which is the potential degree of variation in the actual expression of a trait due to environmental conditions

Indicate whether the statement is true or false

In instinctive drift, the behavior that is being shaped comes to be replaced by:

A) ?a classically conditioned fixed action pattern. B) ?an operantly conditioned fixed action pattern. C) ?a classically conditioned adjunctive behavior. D) ?an operantly conditioned adjunctive behavior.