Biodiversity is the combined diversity at all levels of biological organisation what are those levels ?

Explanation

Two levels of biodiversity are :
(i) Species diversity : It is a diversity at species level. e.g., amphibian species are found more in the Western Ghats as compared to the Eastern Ghats.
(ii) Genetic diversity: A single species shows high diversity at the genetic level over its distribution range. e.g., Different genetic varieties of Rauwolfia vomitoria are found on the Himalayas.