Neural Control and CoordinationMedium

Question

Which of the following is not a characteristic of chordates?

Options

A.Absence of gills
B.Presence of post anal part (tail)
C.Presence of notochord
D.Central nervous system is dorsal

Solution

Sol. [Key Concept: Fundamental characteristics of chordates]

The members of phylum Chordata show following features at any stage of life.

(1) Presence of notochord

(2) Pharynx perforated by gill slits

(3) Dorsal, hollow and single central nervous system

(4) Ventral heart

(5) A post-anal tail

Gill slits are absent in non-chordates.

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