Labels:fence | railing | reckoner | sky OCR: aluays caused the curious to ask: what were they US for? Careful examination ofthe fossils shous that large blood vessels once coursed across plates. Blood brings heat from the core of the body ou large surface where can radiate away and COO the he Such dumping of heat helps bulky animals to keep COC plates are also ideal "billboards on wich advertis such messages as: "see how big am, don't mess wit I'm dominant, orto add color to at breeding time to Si "I'm a male. and I'm ready to mate. Stegosaurus prot used its plates for both temperature control and communication examinatior numerous COOl keer billboar which doninant prol bott contro
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