Among Protostomes, Which Morphological Trait Has Shown the Most Variation

question 25

Multiple Choice

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

• A) type of symmetry (bilateral vs. radial vs. none)
• B) type of body cavity (coelom vs. pseudocoelom vs. no coelom)
• C) number of embryonic tissue types (diploblasty vs. triploblasty)
• D) type of development (mouth first vs. anus first)

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Definitions:

'Exit' Behaviour

Actions taken by individuals to leave or disassociate from a group or social setting, often as a way to express dissatisfaction or to avoid conflict.

Relationship Deterioration

The process in which a relationship between individuals worsens over time, leading to negative outcomes or dissolution.

Existential Crisis

A psychological situation where an individual questions the meaning, purpose, and value of life, often leading to feelings of depression or anxiety.

Alternative Partners

In social and evolutionary psychology, refers to potential mates or social allies beyond an individual's current relationships or affiliations.