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:

Depression

A common and serious medical illness that negatively affects how you feel, the way you think, and how you act, leading to feelings of sadness and/or a loss of interest in activities.

Tertiary Intervention

Strategies or measures taken to manage and mitigate the long-term effects or complications of a condition or disease.

Secondary Intervention

Actions or strategies that aim to reduce the impact of a problem or disease that has already manifested.

Primary Intervention

An approach aimed at preventing a problem before it starts by addressing potential risk factors and strengthening protective factors.