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Which of the following structures is not present in some chordates? A a tail B a backbone C a notochord D a hollow nerve cord
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Which of the following structures is not present in some chordates?

A a tail
B a backbone
C a notochord
D a hollow nerve cord

Which of the following structures is not present in some chordates? A a tail B a backbone-example-1
User Mrhd
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7 votes
The right answer is C. A notochord
User Enda Farrell
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