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Two Mark Questions :
The graph shows species-area relationship, Write the equation of curve 'a' and explain.
989470_6d17445fc9f44996b0953bde827b94f2.PNG

Solution
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S = CA^Z
Where, S= species, A= Area, Z= slope of the line, C =Y- intercept.
Alexander Von Humboldt observed that within a region, species richness increases when explored area is increased, but only up to a limit.
The relationship between species richness and area is found to be a rectangular hyperbola.

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