Bryozoans, Annelids, and Mollusks Are Grouped as Lophotrochozoans

question 48

Multiple Choice

Bryozoans, annelids, and mollusks are grouped as lophotrochozoans.Which characteristic do they have in common?

• A) They are aquatic.
• B) They have a ciliated trochophore.
• C) They use a lophophore for feeding.
• D) They have wormlike body forms.
• E) They molt their cuticle.

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Definitions:

Elasticity Negative

A term used to describe the relationship when the demand for a good or service decreases as its price increases, indicating consumers' sensitivity to price changes.

Income Elasticity

A measure of how the quantity demanded of a good or service changes in response to changes in consumer income.

Normal Good

A good whose demand increases when consumer income rises.

Cross-price Elasticity

An indicator showing the responsiveness of the demand for a particular item to variations in the price of a different item.