Multiple Choice
Which of the following can have long, movable spines?
A) class Crinoidea (sea lilies and feather stars)
B) class Asteroidea (sea stars)
C) class Ophiuroidea (brittle stars)
D) class Echinoidea (sea urchins and sand dollars)
E) class Holothuroidea (sea cucumbers)
Correct Answer:
Verified
Correct Answer:
Verified
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