Answers

2016-03-18T11:21:18+05:30
1) Echinodermata 2) Arthropoda 3) Nematoda
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2016-03-18T12:56:54+05:30
1) Echinodermata, characteristic feature  :-  Spiny - skinned eg. Star fish
2) Arthropoda, 
characteristic feature        :-  Jointed appendages eg. Crab
3) Nematoda,  
characteristic feature        :-  Cylindrical body eg. Ascaris
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