2015 · Q25
Which among the following is the most logical corollary to the above passage?
- (a)Mass nesting in all species of birds is essential to ensure complete survival of their offspring.
- (b)Only birds have the capacity to develop social behaviour and thus can do mass nesting to raise their chicks in safety.
- (c)Social behaviour in some species of birds increases the odds of survival in an unsafe world.
- (d)All species of birds set up crèches for their chicks to teach them social behaviour and loyalty.
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UPSC key: (c)
Comprehension · Science and technology · Corollary

