The Following Questions Refer to the Description Below

question 21

Multiple Choice

The following questions refer to the description below.
Terry catches a ray-finned fish from the ocean and notices that, attached to its flank, there is an equally long, snakelike organism. The attached organism has no external segmentation, no scales, a round mouth surrounded by a sucker and two small eyes. Terry thinks it might be a marine leech, a hagfish, or a lamprey.
-The endoskeletons of most vertebrates are composed of calcified

• A)cartilage.
• B)silica.
• C)chitin.
• D)dentin.
• E)enamel.

---

Definitions:

Behavior

The actions or reactions of an organism, often in response to its environment.

Dysfunctional

Characterized by abnormal or impaired functioning, often affecting systems, relationships, or individual behavior.

Definition Of Abnormality

A concept used to describe patterns of behavior, thought, or emotion that deviate significantly from cultural norms and cause distress or impairment.

Dysfunction

An impaired or abnormal functioning of a bodily system or organ.