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Strongylocentrotus droebachiensis eats by using a special appendage called an Aristotle’s lantern to scrape or tear their food into digestible bits. This structure is made of five calcareous, protractible teeth that are maneuvered by a complex muscular structure.
Aristotle’s lantern is a complex system of jaws and muscles which are capable of a variety of feeding types including suspension feeding, herbivory and detritivory feeding, and occasionally predation. Adaptations to this lantern have allowed sand dollars to live in habitats which have fine, shifting substrates.
Aristotle's lantern in a sea urchin, viewed in lateral section. The mouth of most sea urchins is made up of five calcium carbonate teeth or plates, with a fleshy, tongue-like structure within. The entire chewing organ is known as Aristotle's lantern from Aristotle's description in his History of Animals (translated by D'Arcy Thompson):
New Year’s Eve Live With Anderson Cooper and Andy Cohen How to watch: 8 p.m. ET on CNN. If you prefer to watch virtually, the show can also be found on: CNN.com (cable login required), Max ...
There are classes and live streams for all subjects, including cooking, writing, photography, arts, and more. MasterClass offers three annual subscription packages: Standard, Plus, and Premium.
Pages in category "Lantern shows" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. G. Ghost Festival; I. Illuminares;
Having cast a pair of Green Lanterns, HBO’s Lanterns series is now rounding out its cast — starting with Kelly Macdonald (whose previous credits include Boardwalk Empire and Girl/Haji).
The American Broadcasting Company (ABC) is a commercial broadcasting television network owned by Disney Entertainment, a subsidiary of The Walt Disney Company.Headquartered on Columbus Avenue and West 66th Street in Manhattan, ABC is the fifth-oldest major broadcasting network in the world.