Answers

2015-12-30T20:29:12+05:30
Xerophytic Plants i.e. plants residing in desert or arid regions.
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2015-12-30T21:30:29+05:30
Sunken stomata are modification of Xerophytic plants, commonly found in cactus and other plants of desert biome, in desert areas there is always a shortage/problem of water, so these plants have adapted themselves with sunken stomata which reduce moisture losses during transpiration. 
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