Due to some reasons, if there is a huge fall in the population of species of butterflies,
what could be its likely consequence/consequences?
Pollination of some plants could be adversely affected.
There could be a drastic increase in the fungal infections of some cultivated plants
It could lead to a fall in the population of some species of wasps, spiders and birds
Select the correct answer using the code given below.
a. 1 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2 and 3