questions 1 what are the characteristics of birds 2 in what member are birds 3 what is the meaning of vertebrate 4 do birds have same characteristics with other animals 5 what is the similarity between birds and reptile 6 why have people been long fascinated by birds 7 why are birds useful for humans 8 what is the key basis for the rapport between human and birds 9 what is function of birds related to healthy enviroment 10 find the generic structure of the text above

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