CBSE Class 11 Biology – Diversity of the Living World

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Study Materials

11th

11th - Biology

Diversity of the Living World

Chapter Overview

This chapter introduces the concept of biodiversity and the need for classification. It discusses the history of taxonomy, hierarchy of classification, binomial nomenclature, and tools for identifying and cataloging living organisms. It also explains the major taxonomic categories and highlights the importance of museums, herbariums, zoos, and botanical gardens.

Important Keywords

  • Biodiversity: Variety of living organisms found in a particular habitat or on Earth.
  • Taxonomy: Science of naming, describing, and classifying organisms.
  • Systematics: Study of diversity and relationships among organisms.
  • Binomial Nomenclature: Two-part scientific naming system given by Carl Linnaeus.
  • Species: Basic unit of classification; group of similar organisms capable of interbreeding.
  • Genus: A group of related species.
  • Family: Group of related genera.
  • Herbarium: Collection of preserved plant specimens.
  • Museum: Place for preserving and displaying specimens of animals and plants.
  • Taxonomic Hierarchy: Arrangement of various categories in descending order.

Detailed Notes

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