Question

notes on living world and classification

Answer 1

Our first impression of the living world is apt to be of bewilderment, produced by its extraordinary diversity. Animals, flowering and non-flowering plants are all living organisms, but superficial examination does not suggest that they have a great deal in common.

The living world was separated by primitive man into two king­doms the Plantae and the Animalia. This distinction between the two kingdoms was based on characters which are sharp and clear-cut; was for long time recognized by biologists as a scientific principle. Within the living world as a whole, the highest taxonomic rank usually recognized is the kingdom