Movable Spines Are Found on ____ of the Phylum Echinodermata

question 65

Multiple Choice

Movable spines are found on ____ of the phylum Echinodermata.

• A) Ophiuroidea
• B) Echinoidea
• C) Asteroidea
• D) Crinoidea
• E) Holothuroidea

---

Definitions:

Emotional Support

Assistance provided through empathy, concern, and care to help individuals cope with stress, challenges, or emotional distress.

Birthing Process

the sequence of physical and physiological events that lead to the delivery of a baby and the end of pregnancy.

Doulas

Professional labor assistants who provide support to a mother before, during, and shortly after childbirth.

Anesthesia

The use of drugs to prevent or reduce pain during surgery or other painful procedures.