Which of the Following Is a Unique Feature of Echinoderms

question 10

Multiple Choice

Which of the following is a unique feature of echinoderms?

• A)a water vascular system
• B)bilateral symmetry
• C)a deuterostome pattern of development
• D)radial symmetry

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Definitions:

Negative Reinforcement

A behavioral principle where the removal of an adverse stimulus strengthens or increases the likelihood of a desired behavior.

Positive Punishment

Adding an undesirable stimulus to decrease a behavior.

Negative Punishment

A behavioral principle where the removal of a desirable stimulus following a behavior decreases the likelihood of that behavior occurring in the future.

Shaping

Gradual training that rewards behavior progressively closer to the desired one.