With reference to biodiversity, which of the following statements is/are correct?1) Species richness and high degree of endemism are important criteria for identifying biodiversity hot spots.2) Species diversity is highest in the tropic and decreases down the poles.3) Biodiversity conservation may be in-situ as well as ex-situ.Select the correct answer using the code given below:

With reference to biodiversity, which of the following statements is/a

1.	With reference to biodiversity, which of the following statements is/are correct?1) Species richness and high degree of endemism are important criteria for identifying biodiversity hot spots.2) Species diversity is highest in the tropic and decreases down the poles.3) Biodiversity conservation may be in-situ as well as ex-situ.Select the correct answer using the code given below:
A.	1 only
B.	2 and 3 only
C.	1, 2 and 3
D.	1 and 3 only
Answer» D. 1 and 3 only