Serial Repetition of Segments Is a Defining Characteristic of Which

question 20

Multiple Choice

Serial repetition of segments is a defining characteristic of which worm phylum?

• A)Flatworms
• B)Annelids
• C)Roundworms
• D)Segmentation is not a defining characteristic of any of the worm phyla.

---

Definitions:

Generalized Anxiety Disorder

A mental health disorder characterized by persistent and excessive worry about a variety of topics, situations, or activities.

GABA

GABA (Gamma-Aminobutyric Acid) is the primary inhibitory neurotransmitter in the brain, responsible for reducing neuronal excitability throughout the nervous system.

Genetic Predisposition

The inherited genetic makeup of an individual that increases their likelihood of developing certain conditions or traits.

Anxiety Disorders

A group of disorders distinguished by feelings of intense distress and worry, and in many cases, disruptive and unsuccessful attempts to deal with these feelings.