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What (if anything) can be inferred about whether the common ancestor of each of the three major bilaterian clades had a true coelom? What (if anything) can be inferred about whether the common ancestor of each of the three major bilaterian clades had a true coelom? We cannot infer anything about the status of the ancestor of the Lophotrochozoa, Ecdysozoa, or Deuterostomia. The common ancestor of each of the three clades -- Lophotrochozoa, Deuterostomia, and Ecdysozoa -- had a true coelom. The common ancestor of the Lophotrochozoa and the Deuterostomia had a true coelom, but we cannot infer anything about the ancestor of the Ecdysozoa. The common ancestor of the Deuterostomia had a true coelom, but we cannot infer anything about the ancestor of the Lophotrochozoa or the Ecdysozoa.

User Victor Neo
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Answer:

Step-by-step explanation:

The common ancestor of the Deuterostomia had a true coelom, but we cannot infer anything about the ancestor of the Lophotrochozoa or the Ecdysozoa.

User FuSsA
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