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Why can scientist be sure about the sizes of many types of dinosaurs but not sure about how they moved or defended themselvs?
Wiki User
∙ 14y ago
In some rare cases the skin or an impression of it is preserved in a fossil. Originally scientists mostly just assumed they had scales. Recently the impressions indicate that some species such as raptors (even the T-Rex) had feathers, probably for mating displays. Others, such as triceratops had bristles indicating that hairy dinosaurs were a possible classification. Both the feathers and hair may have been used for insulation and temperature control.
Wiki User
∙ 12y ago
Wiki User
∙ 15y agowell they cannot account for parts like skin, which rotted, but bones give a shape. they could be pink 4 all we no.
Wiki User
∙ 14y agoIt's much harder to determine behavior from fossils than physical characteristics.
Wiki User
∙ 14y agoBecause they're old...wlawl
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