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

---

Definitions:

Persuasion

Engaging in activities aimed at altering a person's opinions, emotions, or conduct through persuasive discourse, rationalization, or attraction.

Attribution

Attribution is the process of inferring the causes behind behaviors and events, leading to an understanding of why things happen.

Causality Analysis

The examination of cause-and-effect relationships between variables.

Stereotype

A fixed, over generalized belief about a particular group or class of people.