Why is species diversity higher in tropical r | vedclass

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(D) Species diversity is higher in tropical regions due to several factors:$1$. Tropical latitudes have remained relatively undisturbed for millions o

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(D) Species diversity is higher in tropical regions due to several factors:$1$. Tropical latitudes have remained relatively undisturbed for millions of years,unlike temperate regions which were subjected to frequent glaciations in the past. This provided a long evolutionary time for species diversification.$2$. Tropical environments are less seasonal,relatively more constant,and predictable. Such constant environments promote niche specialization and lead to a greater species diversity.$3$. There is more solar energy available in the tropics,which contributes to higher productivity. Increased productivity is often associated with higher species richness.

Column-$I$	Column-$II$
$i$. Extinct	$a$. Species whose members survive only in captivity.
$ii$. Extinct in wild	$b$. Rapid population decline of $50\%$ to more than $70\%$ over the previous $10$ years.
$iii$. Endangered	$c$. Species in which the last individual has died.
$iv$. Vulnerable	$d$. Rapid population decline of $30\%$ to more than $50\%$ over the previous $10$ years.

Why is species diversity higher in tropical regions?

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