Lesson summary for:
A Strange Fish Indeed: The “Discovery” of a Living Fossil
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Through a series of fictionalized diary entries, this case recounts the 1939 discovery by Marjorie Courtenay-Latimer (and identification by J.L.B. Smith) of a living coelacanth, a fish believed to have been extinct for 70 million years.
- Biological evolution accounts for diversity over long periods of time.
- An organism’s features reflect its evolutionary history.
- There are similarities and differences among fossils and living organisms.
- Similarities among existing organisms provide evidence for evolution.
- Anatomical similarities of living things reflect common ancestry.
- Random factors can affect the survival of individuals and of populations.
- A hallmark of science is exposing ideas to testing.
- Our knowledge of the evolution of living things is always being refined as we gather more evidence.
- Classification is based on evolutionary relationships.
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