1.

How are chordata classified ?​

Answer»

They are bilaterally symmetrical, triploblastic, coelomate with organ-system level of ORGANISATION. Phylum Chordata is DIVIDED into three SUBPHYLA: Urochordata or Tunicata, Cephalochordata and Vertebrata. Subphyla Urochordata and Cephalochordata are often referred to as protochordates and are exclusively marine.



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