Lesson plan

Grania

Grania is a genus of marine annelid worms in the class Clitellata. They are found at many depths in sands throughout the world. They are generally about in length and mostly colorless or white, though Grania colorata, a recently discovered species found in the Great Barrier Reef, is green.

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Article summary

Grania is a genus of marine annelid worms in the class Clitellata. They are found at many depths in sands throughout the world. They are generally about in length and mostly colorless or white, though Grania colorata, a recently discovered species found in the Great Barrier Reef, is green.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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