The tube feet of _______ are covered with mucus-secreting glands.Passing food particles in water stick to the mucus, and tube feet transfer these particles to grooves in the arms, where cilia carry food to the mouth.
A) sea stars
B) sea cucumbers
C) brittle stars
D) sea urchins
E) sea lilies
Correct Answer:
Verified
Q155: Refer to the figure showing an acorn
Q156: The tube feet of sea cucumbers
A) are
Q157: In chordates, the _ is composed of
Q158: The chordates
A) all have bony backbones.
B) include
Q159: The hemichordates consist of
A) tunicates and acorn
Q161: Which chordate features in the sea squirt
Q162: Hagfishes differ from lampreys in that
A) lampreys
Q163: Refer to the figure. Q164: The coelacanth is a modern lobe-limbed vertebrate Q165: Refer to the figure. 
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