Which of the Following Organisms Lack a Hydrostatic Skeleton

question 22

Multiple Choice

Which of the following organisms lack a hydrostatic skeleton?

• A)cicada
• B)planarian
• C)hydra
• D)earthworms
• E)roundworms

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Definitions:

Cognitive Dissonance Theory

A theory suggesting that people experience discomfort when holding conflicting cognitions, leading them to change their attitudes, beliefs, or actions.

Role-Playing Theory

A theory in social psychology that suggests individuals take on specific roles in group settings, influenced by the expectations of the social environment.

Attribution Theory

A psychological theory that examines how individuals interpret and understand their own behavior and the behavior of others by attributing causes to actions.

Control Feelings

The ability to manage and regulate one's emotions in a healthy manner.