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MODEL PAPER 3 — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMODEL PAPER 33 Marks
Question
The graph given below shows species-area relationship of a certain region.
Image
a. Study the graph and explain what it represents.
b. After a while, a small area was taken for constructing a road which divided the region into two. Write the impact this construction would have on species richness of the region.
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Answer

i. "Within a region species richness increased with increasing explored area, but only up to a limit."
ii. Very gradually impact on species diversity will be visible/species diversity will be gradually reduced/negative impact on species diversity.

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