OESOPHAGUS STOMACH
ECHINODERMS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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sea stars
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sea cucumbers
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sea lilies
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sea urchins
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Detailed explanation-1: -Aristotle’s lantern is a dental apparatus found in the class Echinoidea of phylum Echinodermata. The teeth in this apparatus is extruded to help in scraping off algae from the rocks.
Detailed explanation-2: -Sea urchins possess an intricate mouth apparatus that’s located on the underside of their bodies-it’s referred to as an Aristotle’s Lantern! This muscular system is comprised of a powerful set of jaws and five sharp teeth-like structures that can move in various directions.
Detailed explanation-3: -The urchin uses its Horn Lantern (if you’re Aristotle) or Aristotle’s Lantern (if you’re every other biologist in the world) to scrape away algae growing on rocks and create a depression that becomes the sea urchin’s hideaway. Sometimes a sea urchin grows larger than its dugout depression and gets stuck-for life.
Detailed explanation-4: -Sea urchins eat using a structure called Aristotle’s lantern. It is made up of five hard plates that come together like a beak. They use their beak-like mouth to scrape rocks clean of algae.
Detailed explanation-5: -Epifaunal species (regular urchins) possess a feeding apparatus known as Aristotle’s lantern, equipped with five strong teeth, used for scraping food from hard substrates.