Why Are Entoprocts Not Included with the Ectoprocts Since They

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

Correct Answer:

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