Animals That Have No Particular Symmetry Exhibit

question 69

Multiple Choice

Animals that have no particular symmetry exhibit

• A) asymmetry.
• B) radial symmetry.
• C) bilateral symmetry.
• D) trilateral symmetry.
• E) spherical symmetry.

---

Definitions:

Unconditioned Stimulus (US)

In classical conditioning, a stimulus that unconditionally—naturally and automatically—triggers a response.

Conditioned Response (CR)

A learned response to a previously neutral stimulus that, after being repeatedly paired with an unconditioned stimulus, elicits a reaction.

Unconditioned Stimulus (US)

In classical conditioning, a stimulus that instinctively and involuntarily elicits a reaction without any previous learning.

Discrimination

Unjust or prejudicial treatment of different categories of people, often based on race, age, gender, or religion.