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Explain the genetic evidence for the evolutionary changes that caused the loss of forelimbs in snakes.
Id, Ego, Superego
Components of Sigmund Freud's psychoanalytic theory of personality, representing the instinctual drives, the realistic part, and the moral conscience, respectively.
Reinforcement
A process in behavior analysis that increases the likelihood of a behavior by adding or removing a stimulus after the behavior.
Positive Reinforcer
A reinforcer that, when applied, increases the frequency of a response.
Scaffold
A temporary structure used to support people and materials during the construction or repair of buildings and other large structures.
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