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,
Spencer (given name) late 2000s, but has been rising exponentially since 2009. 244 baby girls were named Spencer in 2016. Spencer (given name) Spencer is a given name of British origin, meaning "steward" or "administrator". It is a shortened form of the English word "dispenser", which derives from Anglo-French "dispensour", from Old French "dispenseor", from Latin "dispensatorem", the agent noun of "dispensare", meaning "to disperse, administer, and distribute (by weight)". The name originated as the surname Spencer, but later gradually came to be used as a given name as well. From its origin as a surname, it has been given to both males