Question 1 Write the characterstics of kingdom Echinodermata? Question 2 Write few examples of kingdom Echinodermata? Echinodermata(Spiny skinned animals) 1)They are star like,spherical or elongated. 2)Body is triploblastic,coelomate,unsegmented,radially symmetrical. 3)Body lacks heads but has oral surfaces. 4)The body wall is covered by spiny hard calcium … [Read more...] about Echinodermata