Question

Aristotle's lantern is found in
A. Sea urchin
B. Sepia
C. Starfish
D. Obelia

Answer 1

Hint: Aristotle's lantern is a perplexing plan of muscles and calcareous teeth and plates shaping an eversible organ in many echinoids, working in mastication. The mouth, on the underside of the body of the sea urchin, has an intricate dental contraption called as Aristotle's lantern, which additionally might be venomous. The teeth of Aristotle's lantern are regularly expelled to scratch algae and other food from rocks, and a few urchins can unearth concealing spots. The mouth of most 'sea urchins' is composed of five calcium carbonate teeth or jaws, with a fleshy, tongue-like structure inside.

Complete answer:
Sea urchin, any of around 950 living types of prickly marine invertebrate creatures (class Echinoidea, phylum Echinodermata) with a globular body and a radial plan of organs, appeared by five groups of pores running from mouth to anus over the test (inner skeleton). The pores oblige tube feet, which are thin, extensible, and frequently sucker-tipped. From knobs on the test emerge long, portable spines and pedicellariae (pincerlike organs); these structures may have poison organs. The mouth, on the underside of the body, has an intricate dental contraption called Aristotle's lantern, which likewise might be venomous. The teeth of Aristotle's lantern are regularly expelled to scratch green growth and other food from rocks, and a few urchins can uncover concealing spots in coral or rock—even in steel.They live on the sea depths, typically on hard surfaces, and utilize the cylinder feet or spines to move about. What's more, a couple of predatory animal varieties have been depicted.

So, the correct answer is option A.

Note:
Aristotle is most popular for his work in philosophy. Be that as it may, he additionally contemplated, tested, and composed numerous course books about the natural sciences. One of these books was called Historia Animalium or The History of Animals. Aristotle portrayed the mouth portions of an sea urchin in this book.the interpreted content is "Actually the mouth-mechanical assembly of the urchin is constant from one end to the next, yet to outward appearance it isn't along these lines, yet resembles a horn lantern with the sheets of horn forgot about." As different researchers later researched and wrote about the urchin, the term Aristotle's lantern was applied.