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Biodiversity And Conservation

Question

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Explain what is meant by species diversity ?

Solution

Species diversity is the diversity at the level of species. It is a measure of the diversity within an ecological community that incorporates both species richness and the species evenness.

The two important measures of species diversity are :
(i) Species richness. It refers to the number of species per unit area.

(ii) Species evenness. It refers to the relative abundance with which each species is represented in an area.

Some More Questions From Biodiversity and Conservation Chapter

Animals constitute what % of the total species of organisms (plants and animals) recorded so far ?

According to the IUCN (2004), the total number of plant and animal species described so far is slightly more than :

Plants constitute what % of the total species of organisms (plants and animals) recorded so far ?

Which is the most species rich taxonomic group among animal ?

The most richest and the most threatened reservoirs of plants and animal life on earth are called :

The regions of earth where a large number of species are found, are called :

‘Chipko movement’ was started to conserve :

1. Sardar Sarovar Dam is built on river......... .
2. Number of wildlife sanctuaries in India are ......... .

3. The bird “Dodo” became extinct because of......... .

4. First Earth summit was held at.........and aimed at.........

Write “True” or “False” :

The practice of controlling the establishment, growth, composition, health, and quality of forests to meet diverse needs and values

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