The year 2010 has been declared as the International Biodiversity Year

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.

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.