Class 12th Biology 2014 Set3 Delhi Board Paper Solution
Question 8
How is 'stratification' represented in a forest ecosystem?
Answer
Stratification is the way in which different species in an ecosystem are placed or arranged in a habitat. It is a way of minimising competition for limited resources, vital for survival. Vertical stratification in a forest ecosystem is represented by following strata of plants:
(i) The herb layer
(ii) The shrub layer
(iii) The small tree layer
(iv) The canopy layer
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