WebClam Dissection Introduction - Background The phylum _ MOLLUSCA _ includes snails, clams, chitons, slugs, limpets, octopi, and squid. As mollusks develop from a fertilized egg to an adult, most pass through a larval stage called the __ TROCHOPHORE ___, which is a ciliated, free-swimming stage. Mollusks also have a _ RADULA __ or file-like organ for … WebzClass Polyplacophora, the chitons, primarily herbivorous marine species with a shell consisting of many plates (hence its name). 2 You will be given unpreserved organisms …
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WebJan 29, 2024 · In chitons, each radular tooth consists of a mineralized cusp, base (also referred to as stylus) supporting the mineralized cusp and a radular membrane (Fig. 1b). WebChiton definition, a mollusk of the class Amphineura, having a mantle covered with calcareous plates, found adhering to rocks. See more. pool table tiffany shade lights
Solved Lab Activity 2: Dissections 1. Watch the dissection - Chegg
WebAortic dissection is a life-threatening condition that can cause sudden death if it is not recognized and quickly treated. Aortic dissection is a separation between the inner and middle layers of the aortic artery wall. … Chitons have separate sexes, and fertilization is usually external. The male releases sperm into the water, while the female releases eggs either individually, or in a long string. In most cases, fertilization takes place either in the surrounding water, or in the mantle cavity of the female. See more Chitons are marine molluscs of varying size in the class Polyplacophora (/ˌpɒlipləˈkɒfərə/), formerly known as Amphineura. About 940 extant and 430 fossil species are recognized. They are also … See more Shell All chitons bear a protective dorsal shell that is divided into eight articulating aragonite valves embedded in the tough muscular girdle that … See more Chitons are eaten in several parts of the world. This includes islands in the Caribbean, such as Trinidad, Tobago, The Bahamas, … See more Chitons have a relatively good fossil record, stretching back to the Cambrian, with the genus Preacanthochiton, known from fossils found … See more Chitons live worldwide, from cold waters through to the tropics. They live on hard surfaces, such as on or under rocks, or in rock crevices. Some species live … See more Similar to many species of saltwater limpets, several species of chiton are known to exhibit homing behaviours, journeying to feed and then returning to the exact spot they previously inhabited. The method they use to perform such behaviors has been … See more A chiton creeps along slowly on a muscular foot. It has considerable power of adhesion and can cling to rocks very powerfully, like a limpet. Chitons are … See more WebChitons, a class of marine mollusks, are best known for the extreme hardness, rich chemistry, and intricate phase assemblage of their radula teeth ( Fig. 1 and SI Appendix, … shared ownership properties reading