Answer:columnar epithelium
Explanation:
Collecting ducts are readily recognized in the renal medulla, as relatively large tubules lined by cuboidal epithelium, in which the epithelial cells are relatively clear (i.e., not as eosinophilic as proximal and distal tubules) and have distinct cell borders
The island's isolation provided a ecosystem that encouraged unique and specialized evolutionary traits in the flora and fauna on the island
Scientists often perform experiments to check and recheck their work. They also redo these experiments to ensure correct results.
