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Which statement about vertebrates and chordates is correct?
AAll chordates are vertebrates
BAll vertebrates are protochordates
CVertebrates lack a notochord
DAll vertebrates are chordates
Answer & Solution
Correct answer: D. All vertebrates are chordates
Vertebrates are one subphylum of Chordata, so every vertebrate is a chordate but tunicates and lancelets are not vertebrates.
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