Among Protostomes, Which Morphological Trait Has Shown the Most Variation

question 22

Multiple Choice

Among protostomes, which morphological trait has shown the most variation?

• A) type of symmetry (bilateral versus radial versus none)
• B) type of body cavity (coelom versus pseudocoelom versus no coelom)
• C) number of embryonic tissue types (diploblasty versus triploblasty)
• D) type of development (protostome versus deuterostome)

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Definitions:

Risk-as-feelings Hypothesis

The theory that people make decisions based on their emotional responses to risks, rather than through logical assessment of the risks and benefits.

Broaden-and-build Theory

A psychological theory suggesting that positive emotions expand one’s awareness and encourage novel, varied, and exploratory thoughts and actions.

Affect-as-information Hypothesis

A theory suggesting that individuals use their emotional states as information in making judgments and decisions.

Emotionally Affected

Experiencing an impact on one's mood or feelings due to an external event, situation, or interaction.