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Question
In which of the following animal of Echinodermata arms, spines and pedicellariae are absent?
In which of the following animal of Echinodermata arms, spines and pedicellariae are absent?
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Solution
The correct option is A Sea cucumber
Sea cucumber belongs to class Holothuria, which is a genus of marine animals of the family Holothuriidae. Members of the genus are found in coastal waters in tropical and temperate regions. They are soft bodied that dwell on the ocean floor. Arms are absent in this class. spines and pedicillariae are also absent in these animals. Hence, option A is correct.
Sea cucumber belongs to class Holothuria, which is a genus of marine animals of the family Holothuriidae. Members of the genus are found in coastal waters in tropical and temperate regions. They are soft bodied that dwell on the ocean floor. Arms are absent in this class. spines and pedicillariae are also absent in these animals. Hence, option A is correct.
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