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Grade: 11

                        

All vertebrates are chordates but all chordates are not vertebrates. Justify the statement.

3 years ago

Answers : (1)

linsa Sojan
6 Points
							Chordates are classified as  vertebrates and invertebrates.Invertebrates include  urochordata and cephalochordata. These two donot have a vertebrae  but are considered as chordates as they show primitive chordate characters like pharyngeal gill slits,post anal tail,notochord and nerve chord.In we vertebrates this notochord is replaced by vertebrae. We too obey the basic chordate characters in embryonic stage. Hence all vertebrates (we) are chordates but all chordates ( invertebrates) are not vertebrates.☺
						
2 years ago
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