Part 4: Problems in Paleontology
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Last updated 10:17 PM on 9/10/25
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4 Terms
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Q: What is phyletic gradualism?
A: Species evolve gradually over time; problem of pseudoextinction makes recognition tricky
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Q: What is punctuated equilibrium (Eldredge & Gould, 1972)?
A: Species remain in long-term stasis, interrupted by rapid bursts of speciation
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Q: Which model fits the fossil record best?
A: Punctuated equilibrium is most consistent, but gradualism examples exist too
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