Biology 0610 · IGCSE · Concept and uses of classification systems

Concept and uses of classification systems — practice question

The diagram presents an evolutionary tree produced from a computer-generated investigation of several sea mammals. From this evolutionary tree, which whale has DNA base sequences that are shared least with the other whales?

  • Abeaked whale
  • Bfin whale
  • Chumpback whale
  • Dsperm whale

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