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172. According Alexander Von Humbolt, in the graph of species area relation of area A, B and C which of the following area has steeper slope and minimum species richness respectively :- species richness Area (1) A and B (2) C and A (3) C and B (4) C and C

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Q1
Read the following statements (A - D) related to species - area relationship and select the correct option stating true (T) and false (F).
A. Explored area plot against species richness gives a rectangular hyperbola.
B. Log S = log C + Z log E.
C. Species richness increases with decreasing explored area.
D. Alexander von Humboldt proposed the species - area relationship.
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Q2
Alexander von Humboldt observed that, within a region species richness _________ with increasing explored area. The most appropriate word to fill the blank is?
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Q3
In the above graph relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola on a logorithmic scale, the relationship shown by straight line. In which area slope of line to be much steeper.
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Q4
21. What do steeper slopes mean in species richness v/s area graph ?
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Q5
The species-area relationship is expressed by the equation: log S = log C + Z log A.
What does S, C, Z and A represent?

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