Which of the Following Are Considered "Irregular" Urchins

question 70

Multiple Choice

Which of the following are considered "irregular" urchins?

• A)Sea urchins that swim
• B)Sand dollars and heart urchins
• C)Sea cucumbers
• D)Crinoids
• E)Brittle stars

---

Definitions:

Pleasure

A feeling of satisfaction or joy that can result from various stimuli or activities, contributing to overall well-being.

Generalized Anxiety Disorder

A mental health disorder characterized by persistent and excessive worry about a number of different things.

Panic Disorder

A psychiatric disorder characterized by sudden and repeated attacks of intense fear that may include physical symptoms, such as heart palpitations, dizziness, or abdominal distress.

Phobias

Persistent, irrational fears of specific objects, activities, or situations that lead to a desire to avoid such objects or situations.