Clarias gariepinus is a/an .......

In the current era,$\underline{X \%}$ of all bird species and $\underline{Y \%}$ of all amphibian species in the world are facing the threat of extinction.

Provide information regarding extinct, endangered, or vulnerable species on Earth.

Due to the colonization of tropical Pacific islands by humans,more than $............$ species of native birds became extinct.

What are species that are likely to become extinct in the near future called?

If the forest area is reduced to half,which one of the following will be a long-term effect?