Respuesta :
The internal structure have birds developed that helps them successfully fulfill their niche is hollow bones.
By kind of 240 million years ago, nearly a hundred million years earlier than Archaeopteryx advanced flight, its ancestors shaped the hole, thin-walled bones that could supply later birds in addition to flying dinosaurs like Microraptor the light-weight skeletons they had to get off the ground. Birds have mild and hole bones.
Most birds are able to flight with the assist of those bones. These hole bones make their frame mild which lets in them to raise themselves easily.Hollow bones also are referred to as pneumatized bones, that means they may be packed with area for air. It is notion that this shape enables with oxygen consumption at some point of flight. Air sacs are connected to the hole regions in a bird's bones. Essentially, their lungs enlarge for the duration of their bones.
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