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Biodiversity And Conservation

Question
CBSEENBI12001422
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How is the “sixth episode of extinction” of species on earth, now currently in progress, different from the five earlier episodes ?

Solution
The  Sixth episode of extinction of species on earth is different from the earlier five episodes of extinction in the following ways.
(i) The rate of extinction of the ongoing sixth episode of extinction is 100 - 1000 times higher than the the earlier ones.
(ii) It is due to human activities.

Some More Questions From Biodiversity and Conservation Chapter

What are the species confined to a region and not found anywhere else called?

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” :

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