Which of the Following About Modern Echinoderms Is True

question 185

Multiple Choice

Which of the following about modern echinoderms is true?

• A) All have a water vascular system.
• B) Most are crinoids.
• C) Most have arms.
• D) Most have an external skeleton.
• E) All use tube feet for mobility.

---

Definitions:

Birth Trauma

A term used to describe physical injury or psychological damage experienced by a newborn during the birthing process.

Sensory Systems

The parts of the nervous system responsible for processing sensory information from the environment, including sight, sound, taste, touch, and smell.

Cognitive Resources

Mental capabilities and capacities a person can draw upon for processing information and solving problems.

Problem Solving

The cognitive process of finding a solution to a complex situation or challenge.