Physiology of dinosaurs way as sauropods. The pachycephalosaurs had small heads and weak jaws and teeth, but their lack of large digestive systems suggests a different diet, possibly fruits, seeds, or young shoots, which would have been more nutritious to them than leaves. On the other hand, ornithopods such as "Hypsilophodon", "Iguanodon" and various hadrosaurs had horny beaks for snipping off vegetation and jaws and teeth that were well-adapted for chewing. The horned ceratopsians had similar mechanisms. It has often been suggested that at least some dinosaurs used swallowed stones, known as gastroliths, to aid digestion by grinding their food in muscular gizzards,
Ruby (given name) used as a nickname for the name Reuben. Authors Pamela Redmond Satran and Linda Rosenkrantz noted in their 2007 book "Baby Name Bible" that Ruby is a "vibrant" name with a "sassy and sultry" image, while Laura Wattenberg wrote in her 2005 book "The Baby Name Wizard: A Magical Method for Finding the Perfect Name For Your Baby" that Ruby has the image of a woman "kicking up her heels" at a music hall. Notable people with the name include: Ruby (given name) Ruby is a predominantly feminine given name taken from the name of the gemstone ruby. The name