(i)0 The spores are covered by thick walls that protect them until they come into contact with another moist surface and can begin to grow.
(ii) Spores being lighter easily get dispersed to distant places and provide better chances of survival.
(i)0 The spores are covered by thick walls that protect them until they come into contact with another moist surface and can begin to grow.
(ii) Spores being lighter easily get dispersed to distant places and provide better chances of survival.