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Pliz, answer my question, ​

Pliz, answer my question, ​-example-1
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User Masiar
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1.Annelida consists of a hydrostatic skeleton whereas Arthropoda consists of an exoskeleton made up of chitin.

2.They are sessile and sedentary and grow like plants. They contain pores called ostia and osculum.

Hey... Sorry I know only these two.

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User Dhruv Garg
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