Question

Write any five major difference between chordates and non

Answer 1

Pharyngeal gills silts and present at some stage of life in chordates and it is completely absent in non chordates
chordates can be cold and warm blooded only nerve cord is single dorsal ,without single rangila in chordates and in non chordates it is double ventral and with ganglia

Answer 2

Write any five difference btw chordates and non chordates    Answer =>  

➡️Chordates    => Notochord is present  => central nervous sYstem is dorsal, hollow and single  => Gill slits present  => heart is ventral  => post anal part a tail is present  

➡️Non chordates  

=> Notochord is absent  => central nervous system is ventral , solid and double  => Gill slits absent  => heart is dorsal if present  => post anal part a tail is absent