Which of the following pairs of an animal and a plant represents endangered organisms in India?

What is true for $X$ in the figure representing the species-area relationship?

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

$A$: Western Ghats are included among the hot spots of biodiversity.
$R$: Western Ghats have greater amphibian diversity than Eastern Ghats.

Which of the following statements are correct about the Amazon rainforest?
$I$. They are called the lungs of the planet.
$II$. They harbour probably millions of species.
$III$. They are the largest tropical rainforest in South America and have the highest biodiversity on Earth.
$IV$. They are being cut and cleared for cultivating soybeans or for conversion to grasslands for raising beef cattle.
Choose the correct option.

The given pie chart represents the biodiversity of invertebrates. Identify $a, b, c,$ and $d$.