Which of These Would Not Belong to an Echinoderm

question 70

Multiple Choice

Which of these would not belong to an echinoderm?

• A) water vascular system
• B) coelom
• C) larval stage
• D) skin gills
• E) nephridium

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Definitions:

Positive

Characterized by or displaying affirmation, constructive qualities, or optimism.

Erratic

Characterized by lack of consistency, regularity, or predictability; erratic behavior can be sporadic and unpredictable.

Altruistic Punishment

The act of punishing wrongdoers at a cost to oneself, often undertaken for the sake of upholding social norms or benefiting the group.

Traditional Economist

An expert in economics who focuses on theories and models that adhere to classical and neoclassical principles, valuing market equilibrium and rational decision-making.