Read the following statements :

(i) Biodiversity refers to the sum total of diversity that exists at all levels of biological organisation.

(ii) Of the named species, > 70% are animals of which 70% are insects.

(iii) Species diversity increases as we move away from equator towards pole region of earth.

(iv) The graph showing relation between species richness and area for a wide variety of taxa gives rectangular hyperbola curve.

(v) Dodo from Mauritius, Quagga from Australia, Thylacine from Africa, Steller’s Sea Cow from Russia and three subspecies (Bali, Java, Caspian) of tiger are example of recent extinct organism.

(vi) Since the origin and diversification of life on earth, there were 6 episodes of mass extinction of species.

(vii) The evil quartet is the sobriquet used to describe the four major causes of accelerated rates of species extinction.

(viii) The amazon rain forest is so huge that it is called lungs of the planet.

(ix) The Nile perch introduced into Lake Victoria in east Africa led eventually to the extinction of more than 200 species of cichlid fish in the lake.

(x) The illegal introduction of African catfish Clarias gariepinus for aquaculture purpose is a posing threat to the indigenous catfishes in our rivers.

Choose the option with all the correct statements :