Why Are Entoprocts Not Included with the Ectoprocts Since They

question 20

Multiple Choice

Why are entoprocts not included with the ectoprocts since they look nearly identical and were both called bryozoans in earlier times?

• A)Entoprocts are now known to be cnidarians
• B)Entoprocts are acoelomates and lack sexual reproduction
• C)Entoprocts are all parasites that lost more advanced characters and only secondarily resemble ectoprocts
• D)The fossil record shows they were never related
• E)Entoprocts are pseudocoelomates and have the anus within the tentacular crown

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Definitions:

Earplugs

Small devices inserted into the ear canal to protect the ears from loud noises, water, or foreign bodies.

Consumer's Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service versus the total amount they actually pay.

Earplugs

Small devices inserted into the ear canal to protect the ears from loud noises, water, or to block out sound for concentration or sleep.

Utility Function

Mathematical model that quantifies satisfaction levels consumers receive from consuming various quantities of goods and services, guiding choices under constraint.