GCSE Biology (AQA)

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Alfred Russel Wallace

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Inheritance, Variation and Evolution The Development of Understanding of Gentics and Evolution

Alfred Russel Wallace

1:38 Theory of Evolution and Speciation
Spec 4.6.3.2
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  • Alfred Russell Wallace was a scientist who contributed to evolutionary theory.
  • Wallace lived from 1823 to 1913.
  • He independently proposed the theory of evolution by natural selection, around the same time as Charles Darwin.
  • Wallace conducted significant work on warning coloration in animals, explaining how bright colors can indicate toxicity or danger.
  • He pioneered theories of speciation, the process by which new species form, illustrated by slight differences in characteristics such as beak shape in birds.
  • His work has influenced the current understanding of speciation, which is important for evolutionary biology studies.

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