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,
Marilyn (given name) Marilyn is not used as a male name. A variation of Marylin is Merrelyn, sometimes spelled as "Merrilyn". Notable people with the name include: Marilyn (given name) Marilyn is a feminine given name. Marilyn is a blend of the English given names Mary and Lynn. It began to be used in the 1920s, and it reached its peak of popularity in the 1930s, 1940s and 1950s. Variants of the name includes: Maralyn, Marilynn, Marlyn, Marylyn, Marrilyn, Merilyn, Merrelyn and Merrilyn. The American musician and artist Brian Hugh Warner goes by the stage name Marilyn Manson. His stage name was formed