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

What does '$X$' represent in the given graph?

Identify $X, Y$ and $Z$ from the given pie charts representing global biodiversity of invertebrates and vertebrates:

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

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Edward Wilson	$(i)$ Ecosystem experiments on plots
$(b)$ Alexander von Humboldt	$(ii)$ Rivet Popper Hypothesis
$(c)$ David Tilman	$(iii)$ Coined the term Biodiversity
$(d)$ Paul Ehrlich	$(iv)$ Species-Area relationships

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.