Question

Give the point of differences between non-chordates and chordates.

July 21, 2024

Answer

	Non-chordates	Chordates
1.	Vertebral column is absent.	Vertebral column is present.
2.	Central nervous system is solid and ventral.	It is hollow and dorsal.
3.	If heart is present, it is dorsal.	Heart is ventral.
4.	Haemoglobin, if present is dissolved in plasma.	Haemoglobin is present in the red blood corpuscles.
5.	The anus is posterior, so no post-anal tail. e.g., Protozoa, Arthropoda, Annelida.	A post-anal tail is present. e.g., Pisces, Aves, Reptilia, Mammals.

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