WebMollusks comprise one of the largest phylum of marine invertebrates. With their great diversity of species, various degrees of mobility, and specific behavioral strategies, they haveoccupied marine, freshwater, and terrestrial habitats and play key roles in many ecosystems. This success is explained by their exceptional ability to tolerate a wide … WebApr 13, 2024 · The circular mitochondrial genome of Mytilisepta virgata spans 14,713 bp, which contains 13 protein-coding genes (PCGs), 2 ribosomal RNA genes, and 22 transfer RNA genes. Analysis of the 13 PCGs reveals that the mitochondrial gene arrangement of Mytilisepta is relatively conserved at the genus level. The location of the atp8 gene in …
Class Bivalvia - Digital Atlas of Ancient Life
WebNov 30, 2024 · Digestive System. With its three main body parts, the overall structure of a mollusk is simple, but its digestive system is far more intricate. While there are slight variations depending on if ... WebValves. As their name implies, bivalves have two shells that are called valves.The valves are made of calcium carbonate (CaCO 3) in the form of the minerals aragonite and/or calcite.In most species the valves are approximately the same size, but in some they are unequal, a condition called inequivalve.The meeting of the two valves is sometimes … sims 4 medieval cc finds
Ctenidium (mollusc) - Wikipedia
WebCoelom 5. Locomotion 6. Respiratory System 7. Digestive System 8. Blood Vascular 9. Excretory System 10. Nervous System 11. Sense Organs 12. ... in contrast to haemoglobin which is iron containing respiratory pigment. However, some bivalves like Solen possess haemoglobin as respiratory pigment. A large number of colourless stellate amoebocytes ... WebHenk H. Dijkstra & Bruce A. Marshall, The Recent Pectinoidea of the New Zealand region (Mollusca: Bivalvia: Propeamussiidae, Pectinidae and Spondylidae); Molluscan Research 28(1): 1-88; published 14 Mar. 2008 (abstract) WebAlveolar ducts connect to alveolar sacs. Gas exchange between the lung and blood takes place in the alveolus. Respiratory system in fish. Remove the gills and place them in a container with water and observe. Afterwards, place the gills in another container and leave the gills exposed to air for a few minutes. sims 4 medieval cheats