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Write the salient features of phylum arthropoda

Answer» \tOrgan system level of organization\xa0\tBilaterally symmetrical\xa0\tTriploblastic\xa0\tSegmented body\xa0\tBody is divisible into head,thorax and abdomen\xa0\tJointed appendages\xa0\tRespiratory organs- gills,book gills,book lungs or tracheal systems\xa0\tCirculatory system- open\xa0\tBody cavity- haemocoel


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