Which Structure Is a Covering for the Gill Chamber in Ray-Finned

question 15

Multiple Choice

Which structure is a covering for the gill chamber in ray-finned fishes?

• A) swim bladder
• B) spiral valve
• C) operculum
• D) atrium
• E) lateral-line system

---

Definitions:

Dissociation

A mental process where there is a disconnection or lack of integration between thoughts, memories, surroundings, actions, and identity.

Pessimistic Explanatory Style

A tendency to habitually attribute negative events to permanent, pervasive causes, often leading to feelings of helplessness.

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from persistent failure to succeed or a traumatic event.

Rumination

The act of continuously thinking about the same thoughts, typically negative, which causes emotional distress.