New York,located at $41^{\circ} N$,has $X$ species of birds,and Greenland,located at $71^{\circ} N$,has $Y$ species of birds.

What is the significance of the slope of regression in a species-area relationship?

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

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

What is biodiversity? Describe the different patterns of biodiversity with examples.

Choose the incorrect sentence$(s)$ regarding latitudinal gradients.
$(I)$ Biodiversity throughout the world shows uneven distribution.
$(II)$ According to latitudinal gradient,there is no major difference in biodiversity.
$(III)$ Species diversity increases as we move away from the equator towards the poles.
$(IV)$ Biodiversity increases as we move from temperate to tropical regions.