Key differences, features, and comparative analysis of Level and What it means.
| Level | What it means | NCERT's examples — memorise these exactly |
|---|---|---|
| 1. GENETIC diversity | Diversity shown by a SINGLE species at the genetic level, over its distributional range | • Rauwolfia vomitoria — a medicinal plant growing in different Himalayan ranges — shows genetic variation in the potency and concentration of the active chemical RESERPINE that it produces. • India has more than 50,000 genetically different strains of RICE. • India has 1,000 varieties of MANGO. |
| 2. SPECIES diversity | Diversity at the species level — the number of species in an ecological community | The WESTERN GHATS have a greater AMPHIBIAN species diversity than the Eastern Ghats. |
| 3. ECOLOGICAL diversity | Diversity at the ecosystem level | INDIA — with its deserts, rain forests, mangroves, coral reefs, wetlands, estuaries and alpine meadows — has a greater ecosystem diversity than a Scandinavian country like NORWAY. |
This comparison table is part of the chapter notes for Biodiversity and Conservation. Get complete notes, flashcards, active recall sheets, and test prep modes: