What is the main reason for the diversity of species in tropical latitudes compared to temperate regions?

Step-by-step solution

Ecologists and evolutionary biologists have proposed various hypotheses; some important ones are (a) Speciation is generally a function of time , 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) Tropical environments, unlike temperate ones, are less seasonal, relatively more constant and predictable. Such constant environments promote niche spec