Answer: Unconditioned stimulus
Explanation: Stimulus which triggers a natural or automatic response are Unconditioned stimulus. They differ from learnt response or condition stimulus. The apprehension or fear response developed or triggered in Dylan occurred naturally as soon as the the his roommate blew the horn. The horn blown to trigger such natural response is called Unconditioned stimulus while the startling response shown by Dylan is the Unconditioned or unlearnt response. Been fearful or apprehensive can occur naturally in an individual when one encounters a sudden or scary situation.
They are still considered part of the executive branch, but independent regulatory commissions and agencies must be free from political influence, taking exception from both the principle of checks and balances and the principle of separation of powers.
