Question
Which of the following are chordates?a) fishesb) humansc) frogsd) All of the above are chordates.e) Only a) and c) are chordates.
Step 1
Chordates are a broad group of animals that includes three subgroups: tunicates, lancelets, and vertebrates. Tunicates and lancelets are invertebrates, meaning they do not have a backbone. Vertebrates, on the other hand, are defined by two characteristics: they Show more…
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