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Science Bowl Question

📅 MIT Science Bowl 2022🎓 HS🔄 Round 4#️⃣ Question 20🌟 BONUS📝 Multiple Choice

There is current controversy over whether sponges are the most basal metazoans. Which of the following clades is believed by some to be a sister group to all other animals?

W) Acoela
X) Cnidaria
Y) Ctenophora
Z) Placozoa
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