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:

Split-off Point

The split-off point is the stage in a production process where multiple products become separately identifiable, often leading to different processing routes.

Processed Further

A business decision to continue refining a product beyond the split-off point to enhance its value.

Joint Production Process

A joint production process is a manufacturing activity that simultaneously produces multiple products from a common input or set of inputs.

Split-off Point

The stage in a production process where joint products are physically separated and can be further processed or sold.