Types of biodiversity described by Edward Wilson:
(i) Genetic diversity: A single species might show high diversity at the genetic level over its distributional range.
- Medicinal plant Rauwolfia vomitoria of Himalayan range produces active chemical reserpine shows genetic variation.
- India has more than 50000 different strain of rice.
- 1000 varieties of mango.
(ii) Species diversity: different species of a single animal like frog.
(iii) Ecological diversity: diversity in the ecosystem level like desert, rain forest, mangroves, coral reef, wetlands, estuaries etc.
