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Classification and genetic evidence

Classification and genetic evidence

Classification sorts living organisms into groups using their similarities, differences and evolutionary relationships. Older systems mainly compared visible structures and cell features, so all organisms without a nucleus were placed together as prokaryotes.

4.2.4 Three domains classification Lesson

  1. GCSE
  2. /Biology
  3. /4.2.4 Three domains classification

Step-by-step lessons on Edexcel GCSE Biology 4.2.4 Three domains classification. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons