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Science Bowl Question

📅 NSB 2013🎓 HS🔄 Round 14#️⃣ Q2🌟 BONUS✍️ Short Answer

Arrange proximally to distally the following four components of a bird's contour feather: 1) superior umbilicus [uhm-BIL-i-kuhs], 2) rachis [RAY-kis], 3) calamus, 4) inferior umbilicus.

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