Mark the statements as true(T) or false (F).
i) The Amazon rainforests are known as the lungs of the planet
ii) The Amazon Rainforest is being cut and cleared for soybean cultivation and developing grasslands for raising mutton goats.
iii) When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct.

i- T
ii- F
iii- T

The correct answer is Option (2) –i- T
                                                   ii- F
                                                   iii- T

The Amazon rain forest (it is so huge that it is called the ‘lungs of the planet’) harbouring probably millions of species is being cut and cleared for cultivating soya beans or for conversion to grasslands for raising beef cattle.
Co-extinctions: When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct. When a host fish species becomes extinct, its unique assemblage of parasites also meets the same fate. Another example is the case of a coevolved plant-pollinator mutualism where extinction of one invariably leads to the extinction of the other