Biology teacher

 CBSE Class 11 Biology Classification Systems 5 Marks Answer  Evolution of Biological Classification Systems for CBSE Class 11 Biology - Dr.Sanjaykumar Pawar  Q1. Discuss how classification systems have undergone several changes over a period of time. [5 Marks] Answer The classification of living organisms has changed continuously over time. Initially, organisms were grouped based on simple observable features. As scientific knowledge and technology advanced, classification became more scientific and was based on cellular organization, mode of nutrition, evolutionary relationships, and molecular characteristics. The major stages in the evolution of classification systems are as follows: 1. Earliest Scientific Classification (Aristotle's System) Basis: Simple morphological characters. Classification: Plants were divided into: Trees Shrubs Herbs Animals were divided into: Enaima (animals with red blood) Anaima (animals without red blood) 2. Two-Kin...