Refer to the figure showing an acorn worm (top) and pterobranchs (bottom) . 
Which of the following is a feature or features of pterobranchs but not of acorn worms?
A) Proboscis
B) Collar
C) Tentacles
D) Trunk
E) Tube feet
Correct Answer:
Verified
Q150: Refer to the figure. Q151: Refer to the figure showing a larval Q152: Refer to the figure. Q153: _ use their tube feet to capture Q154: A sea star feeding on a living Q156: The tube feet of sea cucumbers Q157: In chordates, the _ is composed of Q158: The chordates Q159: The hemichordates consist of Q160: The tube feet of _ are covered
A) are
A) all have bony backbones.
B) include
A) tunicates and acorn
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