Question 1 of 10UPSC CSE Prelims · 2017 · Environment and Ecology
If there is a huge fall in the population of butterfly species, what could be the likely consequences?
1Pollination of some plants could be adversely affected.
2There could be a drastic increase in fungal infections of some cultivated plants.
3It could lead to a fall in the population of some species of wasps, spiders and birds.
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