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Freshwater crustacean Daphnia (water flea) is a common research organism in ecology, toxicology, evolutionary developmental biology, and other fields. Credit: Projecto Agua Many crustaceans, including lobsters, crabs, and barnacles, have a cape-like shell protruding from the head that can serve a variety of roles, such as a small cave for storing eggs, or a protective shield to keep the gills moist. This shell (carapace), it has been proposed, did not evolve from a similar structure in a crustacean ancestor, but emerged de novo (or suddenly) through the rather random co-optation of genes that also determine insect wings. However, in a new study from the Marine Biological Laboratory (MBL), Research Associate Heather Bruce and Director Nipam Patel provide evidence for an alternative view: The carapace, along with other plate-like structures in arthropods (crustaceans, insects, arachnids, and myriapods) all evolved. from the lateral toe lo

South Wantirna, VIC – Toothache is everyone’s nightmare, and no one expects to lie in a dental chair with their mouth wide open as the dentist pokes and jabs! Fortunately, Dr. Sheetal Sachdeva Dentist Wantirna South is a family-friendly dental clinic that puts the patient’s comfort first. They aim to provide quality oral health care to their patients in a professional, comfortable and convenient clinic setting. All patients receive individualized dental treatment, including dental implants, full oral rehabilitation, root canal treatment, Orthodontics, and Cosmetic/Smile Enhancement using the latest technologies such as SNAP Digital Cosmetic Imaging Software and CEREC. The dentist team led by Dr. Sheetal Sachdeva (General Dentist), who has a lot of experience and is very knowledgeable in dental health issues. Over the course of his dental career, he has amassed an impressive collection of dental implant certificates as a commitment to providing quality oral health care. Talking a