An animal with bilateral symmetry ____.

A) has no defined body sides
B) usually has no body cavity
C) has body parts repeated around a central axis
D) has left and right sides
E) is not typical of animals with a three-layer body plan

Bilateral Symmetry

A body plan in which an organism can be divided into two identical halves along a single plane, typical of most animals, including humans.

Body Sides

Refers to the distinct regions or aspects of an organism's body, such as dorsal (back), ventral (belly), lateral (sides), anterior (front), and posterior (back).

Central Axis

The main or primary line around which a body or structure is organized or arranged.