Question
Distinguish between Chordates and Non-Chordates.
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S.No.
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Chordates
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Non-Chordates
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1.
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Notochord is present atleast in some stages of development.
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Notochord is absent.
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2.
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Central nervous system is dorsal, hollow, single and non-ganglionated.
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Central nervous system is ventral, solid, double and gangliolated
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3.
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Gill slits present on lateral side of pharynx in sum stages or throughout the life.
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Gill slits are absent.
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4.
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Tail is present in some stages and throughout the life.
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Tail is generally absent.
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5.
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Heart is ventral.
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Heart is dorsal.
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6.
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Haemoglobin is present in RBCs.
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It is present in plasma.
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