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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Q2: Ectoprocta live in
A)only freshwater sediment.
B)bivalved shells they
Q3: Reproduction and development in ectoprocts involves
A)hermaphrodites.
B)radial cleavage.
C)brooding
Q4: The respiratory system of an ectoproct involves
A)tracheae.
B)gills
Q5: The lophophorate phyla are grouped together because
A)they
Q6: Ectoprocta
A)live in both marine and freshwater habitats.
B)form
Q7: Phoronid worms
A)are relatively large and usually over
Q8: The lophophore contains an extension of the
A)protocoel.
B)metacoel.
C)mesocoel.
D)pseudocoel.
E)None
Q9: Which group is so specialized that they
Q10: The _ is the secreted body wall
Q11: The digestive system of a phoronid worm
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