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The top documents tagged [feathers insulation]
Chong yee ting 6s (3). Class:Aves Homoiotherm vertebrates There are around 10,000 living species Most birds can fly, walk and run, many can swim and dive
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Evolution of Birds. Birds have a single occipital condyle, just like reptiles Features that unite birds and reptiles (archosaurs)
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Birds (Class Aves) extant (8900+ species, 28 orders, and 190 families) extinct (100,000 species) abundant since late Cretaceous
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Reptiles and Birds
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Evolution of Birds
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