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Biodiversity

Biodiversity and Its Conservation
Biology
Class 12

Overview

Introduction to concepts of biodiversity,Discuss Edward Wilson's contribution - definition, levels - genetic diversity, species diversity and ecological diversity, to estimate number of species on earth and in India - categorised broadly as invertebrates, vertebrate and plants Describe -Patterns of biodiversity namely Latitudinal gradients, species - area relationship, Discuss importance of species diversity for an ecosystem - in terms of species stability, community stability, David Tilman's experiment, ecosystem health, rivet popper hypothesis by Paul Ehrlich

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Biodiversity on Earth and in India

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Levels of Biodiversity

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Patterns of Biodiversity

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Importance of Biodiversity in Ecosystem

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Related Questions to study

Define genetic diversity. 

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Let no one species encroach over the right and privileges of other species is the stanza from

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How does the level of biodiversity change as an individual moves from the north pole to the equator? 

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Which is accepted by researchers as a level of biodiversity?
I.   Species biodiversity
II.  Genetic biodiversity 
III. Ecosystem biodiversity 

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On earth, life exists even in extreme and harsh conditions. Mention any two major biomes in India.

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India has more than strains of rice. Mention the level of biodiversity it represents.

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Explain the narrowly utilitarian, broadly utilitarian and ethical arguments in favour of conservation of biodiversity.

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Which of the following statements is correct?

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Given below are a few statements related to biodiversity. Pick those that correctly describe the concept of biodiversity.
(i) Biodiversity refers to the different species of flora and fauna present in an area.
(ii) Biodiversity refers to only the flora of a given area.
(iii) Biodiversity is greater in a forest.
(iv) Biodiversity refers to the total number of individuals of a particular species living in an area.

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Consider the following statements regarding Keoladeo National Park (formerly known as the Bharatpur Bird Sanctuary).
1. It is one of the Ramsar Wetlands of international importance.
2. It is inscribed in the UNESCO World Heritage list.
Which of the statements given above is/are correct?

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