WebPolyplacophora (Chitons) Observe a visual specimen of a chiton. label the following: dorsal plates, girdle (mantle), mouth, ventral foot. Activity 8. Bivalvia Mussel Dissection Identify the following: visceral mass, muscular foot, gills (ctenidium), and palps. WebChitons are flattened, elongately-oval, with eight overlapping dorsal shell plates or valves, bordered by a thick girdle formed from the mantle that may be covered with spines, scales, or hairs. The pallial cavity, …
Chitons guide: what they are, habitat and diet Discover Wildlife
WebLab 8 Platyhelminthes, Annelida, & Mollusca Mollusca Activity 6. Polyplacophora (Chitons) Observe a visual specimen of a chiton. label the following: dorsal plates, girdle (mantle), mouth, ventral foot. A.dorsal plates B.girdle C.ventral foot D.ventral foot E. Activity 8. Bivalvia Mussel Dissection- Identify the following: visceral mass and muscular foot; gills … Webchiton in dorsal view, with labeled features. Scale bar = 2 mm. Photo-graphs courtesy of A. Draeger. FIGURE 2 Selected examples of different girdle ornamentation: (A) hairy and … circular knitting needle brands
8_Platyhelminthes_ Annelida_Mollusca 00 (1).docx - Lab 8...
WebAS herbivores, chitons use their radula in the large mouth to scrape algae from the substrate. Their ventral gills are used for gas exchange as the movements of the girdle … WebAug 16, 2024 · The polypalcophora are an ancient groups of organisms. The oldest true chiton fossils occur in rocks from the cambrian period (541 to 485 MYA). Because of their shells and the hard teeth on their radula the fossil record is pretty good for chitons. About 430 fossil species have been named to date. Web3. Body is elliptical and is convex on dorsal and flat on ventral surface. Shell is present on dorsal side and is made up of 8 transverse and overlapping calcareous plates arranged … circular knitting needle pink