The digestive system of a phoronid worm has
A) cilia in the stomach area of the U-shaped gut.
B) water passing over the anus and nephridiopores before entering the gut.
C) an anus that lies ventral to the mouth and inside the lophophore.
D) All of the choices are correct
E) None of the choices is correct
Correct Answer:
Verified
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
Q12: Reproduction and development in phoronid worms involves
A)monoecious
Q13: How can you distinguish an ectoproct from
Q14: Entoprocts
A)are mostly freshwater.
B)are wormlike.
C)have an incomplete digestive
Q15: The phoronid circulatory system:
A)is a closed system
Q16: Ectoproct colonies have modified zooids to
A)assist in
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