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Why, if species have descended from other species by insensibly fine gradations, do we not everywhere see innumerable transitional forms.
Charles Darwin
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Interpretation

What this quote means

Darwin questions the lack of observable transitional forms if evolution occurs through gradual changes.

In this quote, Charles Darwin is reflecting on the theory of evolution, specifically addressing a potential challenge to the idea that species evolve gradually from one form to another. He points out that if this gradual change is true, one would expect to find many transitional forms in the fossil record, yet their absence raises important questions about the completeness of our understanding of evolutionary history.

Themes

EvolutionTransitional FormsSpeciesGradationsFossil Record

In practice

Example use cases

In a discussion about evolutionary theory in a classroom setting.

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we are always slow in admitting any great change of which we do not see the intermediate steps
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