Question

Give points of difference between chordates and nonchordates

Answer 1

CHORDATE
1. Vertebral column is present.
2. Heart is ventral.
3. Haemoglobin is present in red blood corpuscles.
4. Central nervous system is dorsal and hollow.
5. Post anal tail is present.

NON - CHORDATE
1. Vertebral column is absent.
2. Heart is dorsal.
3. Haemoglobin is dissolved in plasma.
4. Central nervous system is solid and ventral.
5. Post-anal tail is absent.

Answer 2

Give points of difference between chordates and nonchordates

Answer =>

➡️CHORDATES ⬅️

=> 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 ⬅️

=> 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