What is the Non-Chordata?
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Non-Chordata
The animal kingdom includes about 35 phyla, out of
which 1 1 are considered as major phyla. Animals can be
classified in two major groups on the basis of presence or
absence of notochord.
They are
(i) Non-chordata (absence of notochord)
(ii) Chordata (presence of notochord)
They can also be classified on the basis of presence or
absence of vertebral column (backbone) into
(i) Invertebrates (without backbone)
(ii) Vertebrates (with backbone)
The Non-chordata includes the following phyla