Multiple Choice
Phoronid worms
A) are relatively large and usually over 30 cm in length.
B) are tube-dwelling marine animals.
C) are most common in deep tropical oceans near thermal vents.
D) spend a lot of time scavenging across the sea floor.
E) are a serious threat to oyster beds.
Correct Answer:
Verified
Correct Answer:
Verified
Q32: Entoprocts<br>A)are mostly freshwater.<br>B)are wormlike.<br>C)have an incomplete digestive
Q33: Colonies of Ectoprocts begin from a single
Q34: The digestive system of a phoronid worm
Q35: The larva of phoronids is called the
Q36: Nemerteans differ from flatworms in that nemerteans
Q38: Explain why ectoprocts and entoprocts are no
Q39: Ectoproct colonies have modified zooids to<br>A)assist in
Q40: The lophophore contains an extension of the<br>A)protocoel.<br>B)metacoel.<br>C)mesocoel.<br>D)pseudocoel.<br>E)None
Q41: The larval stages of all three lophophorate
Q42: The lophophorate phyla are grouped together because<br>A)they