DIVERSITY IN THE LIVING WORLD
Chapter 2: Biological Classification
2.1 Kingdom Monera
DIVERSITY IN THE LIVING WORLD Chapter 2: Biological Classification Since the dawn of civilization, there have been many attempts to classify living organisms. It was done instinctively not using criteria that were scientific but borne out of a need to use organisms for our own use – for food, shelter, and clothing. Aristotle was the earliest to attempt a more scientific basis for classification. He used simple morphological characters to classify plants into trees, shrubs, and herbs. He also divided animals into two groups, those which had red blood and those that did not.