Species diversity is higher at lower altitudes than at higher altitudes because at higher altitudes:

For which of the following will the slope of the $Z$ line be steeper?

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

Degree of biodiversity increases from

Match $M$ and $N$ with the species-area relationship shown in the graphic representation below and choose the correct option.

Given below are two statements.
Statement-$I$: Availability of intense sunlight,warmer temperature and higher annual rainfall in the tropics are responsible for species richness of fruit-yielding trees.
Statement-$II$: The variety of frugivorous organisms is more in the tropics as compared to the temperate regions.
In light of the above statements,choose the most appropriate answer from the options given below.