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Green plants as intelligent organisms.

Anthony Trewavas1

  • 1Institute of Molecular Plant Science, Kings Buildings, University of Edinburgh, Edinburgh, UK EH9 3JH. trewavas@ed.ac.uk

Trends in Plant Science
|August 2, 2005
PubMed
Summary

This study explores plant intelligence, examining if plants possess problem-solving abilities akin to basic intelligence found in neurobiology. Evidence suggests plants exhibit complex adaptive behaviors, challenging traditional views of intelligence.

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Area of Science:

  • Plant behavior and intelligence
  • Neuroscience and comparative cognition
  • Complex adaptive systems

Background:

  • Intelligent behavior is linked to complex adaptive systems and problem-solving capabilities.
  • Understanding intelligence in non-animal organisms expands our definition of cognition.
  • Plants exhibit complex molecular networks that regulate their responses to the environment.

Purpose of the Study:

  • To assess whether plants possess problem-solving capacities, classifying them as intelligent organisms.
  • To describe the molecular basis of plant behavior and its adaptive functions.
  • To evaluate objections against the concept of plant intelligence.

Main Methods:

  • Describing the complex molecular networks underlying plant behavior.
  • Outlining environmental problems faced by plants and their behavioral solutions.
  • Illustrating a comparative method for assessing plant intelligence between genotypes.

Main Results:

  • Plants face numerous environmental challenges requiring adaptive solutions.
  • Specific plant behaviors are discussed as problem-solving mechanisms.
  • A method for comparing intelligence across different plant genotypes is presented.

Conclusions:

  • Plants demonstrate behaviors analogous to basic intelligence as defined in neurobiology.
  • The study supports the classification of plants as intelligent organisms based on their adaptive capabilities.
  • Objections to plant intelligence are critically examined and refuted.

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