Degree of biodiversity increases from

Give three hypotheses for explaining why tropics show the greatest levels of species richness.

Which one of the following reasons is proposed for the greater species diversity in tropical environments compared to temperate ones?

Why do the tropics have greater biological diversity?

As we move from the equator towards the poles,species diversity $.........$.

Provide detailed information about the species-area relationship with the help of a graph. Explain the representation of the species-area relationship and how it becomes linear on a logarithmic scale.