WebBilaterally symmetrical, reduced coelom, presence of a radula. Of the two main body regions found in a mollusc, the ______ contains the sensory structures and the means of locomotion and attachment. head-foot. The ______ is the innermost layer of the shell that is continuously secreted by the mantle. nacreous layer. WebOct 11, 1986 · Four developmental stages of chiton teeth can be readily distinguished along the radula [24]. For C. hirtosa, stage I consists of immature teeth, which are well-formed …

REBECCA VARNEY - News

WebChitons are mobile and contract their muscular foot in waves to move about. The primarily herbivorous chitons have a well-developed radula. Their nervous system is a series of ladder-like nerves and only a few … WebAl, 2024) 7 Name: Animal Development, Invertebrates, and Earthworm Dissection Lab Worksheet. Portuguese Man O’ War-soft body and tissue that forms the structure of the organism-has rings of tentacles ... Description/ Characteristics (3 or more) Picture (optional) Chiton-consumes algae as a source of Nutrients.-8 dorsal plates-flattened ... black and blum lunch

BZ110- Ch 11 Flashcards Quizlet

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 WebJul 13, 2024 · The chiton is defined by two styles, Doric and Ionic. Scholar Iris Brooke explains the difference: [The Doric and Ionic designations] divides them according to two of the main orders in architecture, which were developed by the two leading racial groups, Dorian Greeks and Ionian Greeks. The Doric was severely simple; the Ionic a trifle more ... WebChitons tend to hide in crevices and underneath boulders, and are well camouflaged among the surrounding rocks. The distinctive feature of all chitons is their eight overlapping … black and blum wine rack