The World Summit on Sustainable Development held in $2002$ in Johannesburg,South Africa,pledged for:

Which of the following statement$(s)$ is/are correct?
$(i)$ Rich biodiversity is not essential for ecosystem health.
$(ii)$ The current rate of species extinction is $100$ to $1000$ times faster than the pre-human extinction rate.
$(iii)$ Steller's sea cow became extinct due to overexploitation by humans.
$(iv)$ Even if we combine all biodiversity hotspots,they cover less than $2 \%$ of the Earth's land area.
$(v)$ The rate of mass extinction can be completely reduced by strict protection of hotspots.

Read the following statements and select the correct option given below.
Statement-$I$: Announcing Kanha forest as a tiger reserve is called Ex situ conservation.
Statement-$II$: Wildlife safari parks and botanical gardens are examples of In situ conservation.

$A$ species facing an extremely high risk of extinction in the immediate future is called:

In the given pie chart representing global invertebrate diversity,what do '$x$' and '$y$' represent respectively?

Find the wrongly matched pair.