The largely tropical ............. rain forest in South America has the greatest biodiversity on earth.

According to the representation of global biodiversity proportions for the number of species of major taxa of vertebrates,select the appropriate option for the labels $X$,$Y$,and $Z$ in the given figure.

Define the following terms:
$1$. Biodiversity
$2$. Species diversity

Which of the following is also known as the 'Lungs of the Planet'?

In the 'Rivet Popper Hypothesis',the ecosystem is compared to which of the following?

The variety of indigenous cows is an example of