WebChitons belongs to the molluscan class. polyplacophora. The diversity of body forms and life styles in the phylum mollusca is an excellent example of. adaptive radiation _____is the segmental arrangement of body parts. metamerism. Some segmented animals have groups of segments specialized for particular functions. The process of forming ... WebWhich of the following statements is NOT correct about nematodes: -There are three layers of tissues in the body. -Nematodes lack circular muscles under the tegument. -The body cavity provides a hydrostatic skeleton. -Nematodes have a smooth unsegmented outside body wall. -Nematodes are all carnivores but may be free-living or parasitic.
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Webwhich part of the mollusk body contains organs?wedding officiant script simple WebChitons belong to the molluscan class Polyplacophora "bearer of many plates" is... chitons (C. Polyplacophora) where are the 7-8 heavy plates located on chitons? dorsal how do chitons cling to rocks? muscular foot what scrapes algae from rocks (chitons)? radula the radula contains what chemical iron tusk shells .. what class Class Scaphopoda
WebJun 8, 2024 · Members of class Polyplacophora are better known as “chitons;” these molluscs have a large foot on the ventral side and a shell composed of eight hard plates on the dorsal side. Class Bivalvia consists of mollusks with two shells held together by a muscle; these include oysters, clams, and mussels. WebChitons (Polyplacophora) are basal relative to other extant molluscs (Fig. 3.58). Their soft bodies are covered with a series of eight shell plates. The joints between these shell plates enable to chitons to roll up for …
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 generally herbivorous grazers, though some are omnivorous and some carnivorous. They eat algae, bryozoans, diatoms, barnacles, and sometimes bacteria by … 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 surrounds the chiton's body. Compared with the single or two-piece shells of … See more Chitons are eaten in several parts of the world. This includes islands in the Caribbean, such as Trinidad, Tobago, The Bahamas, St. Maarten, Aruba, Bonaire, Anguilla and See more Chitons were first studied by Carl Linnaeus in his 1758 10th edition of Systema Naturae. Since his description of the first four species, chitons have been variously classified. They were called Cyclobranchians (round arm) in the early 19th century, and … 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 quite high in the intertidal zone and are exposed to the air and light for long … 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 Chitons have a relatively good fossil record, stretching back to the Cambrian, with the genus Preacanthochiton, known from fossils found … See more http://biology.fullerton.edu/biol317/Murray/Fall97/chitons.html
WebStudy with Quizlet and memorize flashcards containing terms like Some descendants of Precambrian acoelomate organisms evolved a more elegant arrangement for a body cavity: a fluid-filled space within the mesoderm, called the coelom. A true coelom means that the space was lined with mesoderm and that mesodermal membranes, the mesenteries, …
WebMollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (/ ˈ m ɒ l ə s k /).Around 85,000 extant species of molluscs are recognized. The number of fossil species is estimated between 60,000 and 100,000 additional species. The proportion of undescribed species … how to secure a pool ladderWebsnails, slugs, and limpets belong to the molluscan class _____ gastropoda. the shell of a mollusc is secreted by the _____ mantle. the body of molluscs is divided into two main regions called the _____ and _____ ... of _____ serve as sense organs for sampling water and are found in the mantle grooves near the anus of many chitons. osphradia ... how to secure a post to concreteWebMolluscs that live in a tusk-like shell that is open at both ends belong to the class: Scaphopoda. Most bivalves are: filter feeders. Nudibranchs belong to the class ____ of the phylum Mollusca. Gastropoda. Some gastropods have external shells composed of: one valve. The digestive system of molluscs is found in the: how to secure appsettings.jsonWebThere are ______ living species in the phylum Mollusca. About 90,000 The mollusc ______ may be adapted for locomotion, for attachment to substratum, or for a combination of functions. foot Octopuses, snails, and chitons are all … how to secure a residency for orthopedistsWebJun 8, 2024 · Classes in Phylum Mollusca. Phylum Mollusca is a very diverse (85,000 species ) group of mostly marine species, with a dramatic variety of form. This phylum … how to secure apisWebOf the eight recognized classes of molluscs, five contain the majority of species: Class Scaphopoda – tooth and tusk shells. Class Polyplacophora – chitons. Class … how to secure a rifleWebSnails, slugs, and limpets belong to the molluscan class A. Gastropoda. B. Pelecypoda. C. Polyplacophora. D. Aplacophora. E. Cephalopoda. A, gastropoda 9. The 180, counterclockwise twisting of the visceral mass, mantle, and mantle cavity of gastropods is called A. contortion. B. torsion. C. helixing. D. coiling. E. operculating. B, torsion 10. how to secure a remote cabin