Question

Mention any three differences between non-chordates and chordates

Answer 1

C2 someone who is in a place or situation where they are not wanted: I feel like an intruder when I visit their home. C2 someone who enters a place without permission in order to commit a crime: Intruders had entered the house through a back window. Unpleasant people in general.

Answer 2

Mention any three differences between non-chordates and chordates

Answer =>

CHORDATES

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=> Notochord is present

=> central nervous system is dorsal ,hollow and single

=> Gill slits are present

=> heart is ventral

=> post anal part that is a tail is present

NON CHORDATES

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=> Notochord is absent

=> central nervous system is ventral,solid and double

=> Gill slits are absent

=> heart is dorsal if it is present

=> post anal part that is a tail is absent