An unlearned, biologically determined involuntary response to a physical stimulus is called a(n) ____________.
A) instinct
B) reflex
C) drive
D) impulse

Question

Quizplus · Accepted Answer

A reflex is an unlearned, biologically determined involuntary response to a physical stimulus. Instincts refer to a complex set of behaviors that are learned through observation and experience. Drives refer to an internal state of tension that motivates an organism to engage in behavior that will reduce the tension. Impulses refer to sudden urges to act on a particular desire or need.

An Unlearned, Biologically Determined Involuntary Response to a Physical Stimulus