Q.What are the three levels of biodiversity?

Step 1. Edward Wilson popularised 'biodiversity' to describe diversity at every level of biological organisation, from populations up to biomes, and the chapter organises this into exactly three levels (Fig. 12.1).

Step 2. Genetic diversity is variation in the genetic make-up — number and type of genes — both within a single species and between distinct species and populations; India's 50,000+ genetic variants of paddy illustrate this level.

Step 3. Species diversity is the variety and richness of species within a habitat, measured as species richness and further split into Alpha, Beta and Gamma diversity indices. …

List and briefly define the chapter's three named levels of biodiversity: genetic, spec …

• Omitting one of the three levels, most often community/ecosystem diversity. …