Question
A lab observation notes that a sea urchin scrapes algae using a complex jaw apparatus. The observation points to:
Correct Answer: B
Aristotle’s lantern
Aristotle’s lantern is the jaw apparatus of many sea urchins. It contains calcareous teeth used to scrape food such as algae from surfaces. This MCQ belongs to the Echinodermata topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
Aristotle’s lantern is the jaw apparatus of many sea urchins. It contains calcareous teeth used to scrape food such as algae from surfaces. This MCQ belongs to the Echinodermata topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
Leave a Reply