📅 NSB 2019🎓 HS🔄 Round 15#️⃣ Q10🌟 BONUS✍️ Short Answer
Identify all of the following three features that all chordates possess at some point in their development: 1) Vertebral column; 2) Pharyngeal slits; 3) Post-anal tail.
✔️Answer:2, 3
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