If the Water Vascular System of the Echinoderm Was Eliminated,which

question 10

Multiple Choice

If the water vascular system of the echinoderm was eliminated,which echinoderm function would not exist anymore?

• A)locomotion
• B)respiration
• C)circulation
• D)digestion
• E)sensing the environment

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Definitions:

Learning Curve Analysis

Examination of how the time to perform a task decreases with increasing repetitions, due to workers gaining efficiency.

Tasks Repeated

Activities or duties that are performed again, either to achieve perfection, necessity, or due to the cyclical nature of the process.

Learning Curve

A graphical representation that shows how learning or gaining experience increases efficiency or performance over time.

Polar Coordinate

A coordinate system where each point on a plane is determined by an angle and a distance from a fixed point, called the pole.