Your Job Is to Classify a Newly Discovered Animal Species

question 24

Multiple Choice

Your job is to classify a newly discovered animal species. Your initial studies reveal that your specimen has tissues, organs, and a head; has no body cavity or segmentation; and has bilateral symmetry. To what phylum does this animal belong?

• A) Cnidaria
• B) Mollusca
• C) Annelida
• D) Platyhelminthes
• E) Porifera

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Definitions:

Total Revenue

The overall amount of money generated by a business from the sale of its goods or services.

Long-Run Equilibrium

A state in which supply and demand are balanced, and all firms in the industry are earning normal profits in the long term.

Short-Run Equilibria

A market condition where supply and demand are balanced, but only temporarily as external factors can soon alter this balance.

Demand Increases

A situation where the quantity of a good or service that consumers are willing and able to purchase at a given price rises.