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p. 113. The evidence for evolution: similarities and differences between organismslocked

  • Deborah Charlesworth


‘The evidence for evolution’ shows how the similarities between living creatures can be understood in terms of evolution. The theory of evolution accounts for the diversity of life, but it also explains the fundamental similarities between different species. Similarities between even widely disparate types of organism exist at every level, from externally visible resemblances, to profound resemblances in life-cycles and the structure of the genetic material. Biological classification, embryonic development, vestigial organs, sexual reproduction, inheritance, genes, mutations and DNA sequencing are all discussed. Similarities between species have a natural and straightforward explanation in the idea that organisms are related through an evolutionary process of descent from common ancestors.

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