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Animal Kingdom

Question
CBSEENBI11025711
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Aristotle's lentern is

  • pedicellariae in Pycnopodia

  • arval form in Antedon

  • pressure equalisation plate in Asterias

  • masticatory organ in the digestive tract of sea urchin

Solution

D.

masticatory organ in the digestive tract of sea urchin

Aristotle's lantern is a masticatory organ found in the digestive tract of sea urchin. It is made up of five ossicles, which in tum are made up of 250 skeletal elements.

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