“Higher biodiversity is found in tropical region in comparison to polar regions.” Which of the following reasons are correct about higher biodiversity in tropical region?
(i) Due to repetitive glaciations in past
(ii) More stable climate
(iii) Lesser niche specialization
(iv) Higher solar radiation
(v) More productivity
Text Solution
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(ii) More stable climate: Tropical environments are less seasonal, more constant, and predictable, which allows species to thrive without facing extreme environmental fluctuations.
(iv) Higher solar radiation: Tropical regions receive more solar energy throughout the year, which drives higher rates of photosynthesis and primary production.
(v) More productivity: Due to the higher solar radiation and favorable climate, tropical regions exhibit high primary productivity (NPP), supporting a greater variety and number of organisms.Absence of Glaciation: Unlike temperate/polar regions, tropical regions have remained relatively undisturbed by glaciations, allowing for a longer, continuous period of evolution
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