Identify the correct statement.

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(B) $1$. Tropical regions have higher biodiversity compared to polar regions,making option $A$ incorrect.$2$. Alexander von Humboldt observed that wit

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According to Alexander von Humboldt,species richness increases with increasing explored area,but only up to a limit.

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(B) $1$. Tropical regions have higher biodiversity compared to polar regions,making option $A$ incorrect.$2$. Alexander von Humboldt observed that within a region,species richness increases with increasing explored area,but only up to a limit. This is the correct statement (option $B$).$3$. David Tilman's long-term ecosystem experiments showed that increased diversity contributes to higher productivity,making option $C$ incorrect.$4$. Tilman also found that plots with more species showed less year-to-year variation in total biomass,making option $D$ incorrect.

Column $- I$	Column $- II$ (Bird species)
$(a)$ Colombia	$(p)\; 1200$
$(b)$ $41^o N$ New York	$(q)\; 1400$
$(c)$ India	$(r)\; 105$
$(d)$ Greenland at $71^o N$	$(s)\; 56$

Similar Questions

In the equation $\log\, S = \log\, C + Z\, \log\, A$,what does '$Z$' represent?

Match the correct pair.

Column $- I$ Column $- II$ (Bird species)

$(a)$ Colombia $(p)\; 1200$

$(b)$ $41^o N$ New York $(q)\; 1400$

$(c)$ India $(r)\; 105$

$(d)$ Greenland at $71^o N$ $(s)\; 56$

New York at $41^o\, N$ has .......... species and Greenland at $71^o\, N$ has ......... species.

Give three hypotheses for explaining why tropics show the greatest levels of species richness.

Species diversity decreases as we move away from the equator towards the poles. What could be the possible reasons?

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