What is special about tropics that might account for their greater biological diversity ?
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(a) Speciation is a function of time, unlike temperate regions subejcted to frequent glaciations in the past, tropical latitude have remained relatively undisturbed for milion of years and thus had long evolutionary time for species diversification. (b) Tropical environment are less seasonal, more constant and prodicatable. (c) More solar energy available in the tropics contributing to high productivity leading to greater diversity.
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What is so special about tropics that might account for their greater biological diversity? a. Unlike temperate regions subjected to frequent glaciations in the past, tropical latitudes have remained relatively undisturbed for millions of years and thus, had a long evolutionary time for species diversification. b. Temperate environments, unlike tropical ones, are less seasonal, relatively more constant and predictable. Such constant environments promote niche specialization and lead to a greater species diversity. c. There is more solar energy available in the tropics, which contributes to higher productivity, this in turn might contribute indirectly to greater diversity.
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