Previous year MCQs

UPPSC 2019 GS-I Environment & Ecology
Question

Which of the following statement is NOT true?

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Species diversity increases from equator towards poles.

Detailed Solution:

The correct answer is “Species diversity increases from equator towards poles.”.

Species diversity is higher at the equator than at the poles. In biological terms, this is referred to as the latitudinal diversity gradient (LDG), in which the number of species increases from the poles to the Equator.

This ranks among the broadest and most notable biodiversity patterns on Earth.

The pattern of species-rich tropics (e.g. lush rainforests teeming with "Life") relative to species-poor temperate and polar areas (e.g. barren polar deserts), has been recognized for over a century, but the reasons for the LDG have remained a mystery.

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