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Adaptation Quote by Thomas Huxley

“It is an error to imagine that evolution signifies a constant tendency to increased perfection. That process undoubtedly involves a constant remodeling of the organism in adaptation to new conditions; but it depends on the nature of those conditions whether the direction of the modifications…” quote by Thomas Huxley
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“It is an error to imagine that evolution signifies a constant tendency to increased perfection. That process undoubtedly involves a constant remodeling of the organism in adaptation to new conditions; but it depends on the nature of those conditions whether the direction of the modifications effected shall be upward or downward.”

Thomas Huxley

About This Quote

Source Lecture: Evolutionary Biology, 1863

Evolution does not always move toward perfection; it adapts organisms to current conditions, which may be better or worse.

In simple terms: Evolution adapts, not perfects.

Key Takeaway

Adapt to changing environments.

Themes

science evolution adaptation

Mood

analytical reflective

Type

explanatory philosophical

When to use this quote

  • environmental change
  • species conservation
  • medical research
  • climate impact

Key Concepts

natural selection fitness landscapes

Questions to Reflect On

  • What factors determine whether an adaptation is beneficial?
  • How does this view affect our expectations of technological progress?
A Different Perspective

Progress can be misread as linear improvement.

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