Birds (class Aves) are a group of endothermic vertebrates, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton by Ball-E
Birds (class Aves) are a group of endothermic vertebrates, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton by Ball-E


Upload Date 9/30/2015, 7:49:03 AM
Authors Anonymous
Hash 36UYHQZHJYRBHIUS4IKR1GZW2WD3YA1KH49PIYPPRHKMVFW2KG
Tags U-M Transfer

-- Original U-M ID: 15639 --
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