Multiple choice

Which one of the following is a living fossil?

  1. Sphenodon

  2. Archaeopteryx

  3. Peripatus

  4. All of these.
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D Correct answer
Explanation

Living fossils are organisms that have remained largely unchanged over long geological periods. Sphenodon (tuatara), Archaeopteryx (often considered a transitional fossil, but sometimes grouped in general discussions), and Peripatus are all commonly cited examples of living fossils or evolutionary relics.

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