The questions in this quiz are suitable for GCSE biology students studying classification of living organisms and the impact of modern developments of classifying systems. If you struggled with ...

While enrolled at the University of Leiden he published his famous Systema Naturae – a new way of classifying living organisms. Over the years, Linnaeus revised this classification system ...

Common ancestry: the shared evolutionary history of all living organisms back to a single origin. Gametic incompatibility: a barrier to sexual reproduction where the sex cells (gametes ...