1.

The year 2010 has been declared as the International Biodiversity Year by United Nations (UN)(a) Point out the levels of diversity in nature.(b) Give a brief description of The Evil Quartet.

Answer»

(a) Genetic, Species, Ecosystem level diversity. 

(b)(i) Habitat loss and fragmentation

(ii) Over exploitation 

(iii) Alien species Invasion 

(iv) Co-extinction etc.



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