WebChitinous scalids of various sizes and shapes cover the entire surface of the introvert. Sometimes the scalids at the anterior end of the introvert are larger than those nearer the trunk. Within the introvert is a muscular pharynx armed with cuticular teeth. WebMar 29, 2024 · A gizzard is a highly muscular part of the alimentary canal, characterised by its cuticles and chitinous teeth. The teeth are responsible for crushing or grinding food particles. You can say that this portion is similar to the teeth in human beings.
Radula - Wikipedia
WebMay 31, 2024 · It is sometimes known, not unreasonably, as “the wandering meatloaf.” But the chiton’s unassuming body hides an array of tiny but formidable teeth. These teeth, which the creature uses to... WebThe mouth is located on the underside of the animal, and contains a tongue-like structure called a radula, which has numerous rows of 17 teeth each. The teeth are coated with magnetite, a hard ferric/ferrous oxide mineral. The radula is used to scrape microscopic algae off the substratum. chris isaak wicked games youtube
Biomimetic generation of the strongest known biomaterial found …
WebFeb 18, 2015 · The teeth are both stretchy and strong thanks to their unique composition. They contain millions of aligned nanofibres, made from a natural mineral called goethite, which are embedded in a softer... Weba) Animals absorb nutrients, then digest them externally and then absorb them b) Animals make their own nutrients c) Animals eat whole food then digest it internally d) Animals photosynthesize and absorb nutrients from soil multicellular, heterotroph, eukaryote The characteristics of animals include which three of these? a) prokaryote b) autotroph WebApr 13, 2024 · Teeth allow most vertebrates to acquire food –and therefore energy—from their environment ... The main mechanical challenge encountered by snakes while feeding has five levels: hard (chitinous preys, hard-scaled lizards), long (snakes, soft-scaled lizards, earthworms), hold (snakes that maintain vigorous preys), slippery (fish, snails ... chris isaak wicked game tabs acoustic