Parazoa

question 24

Multiple Choice

Parazoa

• A)are pseudocoelomates.
• B)exhibit bilateral symmetry.
• C)include Cnidaria and Ctenophora.
• D)exhibit primitive segmentation.
• E)have no true tissues.

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Definitions:

Downward-Sloping Demand

A common economic principle where the quantity demanded of a good or service decreases as its price increases.

Quantity Tax

A tax that is levied on the quantity of a good produced or sold, rather than its price.

Marginal Cost

The rise in overall expenses resulting from the production of an extra unit of a product or service.

Elasticity of Demand

The degree to which the quantity demanded of a good or service varies with its price. Generally, a high elasticity indicates that demand is sensitive to price changes.