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

Find the wrongly matched pair.

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.

What does '$V$' represent in the given figure?

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

The main objective of plant conservation is ..........