Approximately $25\%$ of all insects are known to be phytophagous (feeding on plant sap and other parts of plants).

Biodiversity increases from

Species diversity decreases as we move away from the equator towards the poles. What could be the possible reasons?

According to ecologists,what is the value of $Z$ in the species-area relationship equation $\log \, S = \log \, C + Z \, \log \, A$?

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

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.