Read Biodiversity from Genes to Regions
Biodiversity can be described within a species, among species and across ecosystems; definitions matter more than labels.
Levels and Measures of Biodiversity is the central idea in this question pattern. Identify the condition in the stem before applying the method below.
Identify the level
Many strains of rice are genetic diversity: variation among individuals or varieties within one species. Species diversity counts species; ecological diversity describes habitats and ecosystems.
Read key terms precisely
Bioprospecting explores genetic, species or molecular diversity for products of economic value. Endemism means a species is naturally restricted to a particular geographic region; it does not mean the species is endangered.
Read the global-diversity chart carefully
NCERT notes that conventional methods miss many microbial species, fishes are the most diverse vertebrates, and the global chart places molluscs above crustaceans. Treat chart-derived comparisons as relative patterns; do not generalise an unrelated rank to every taxonomic group.
OlympIQ exam lens
- ✓Rice strains → genetic diversity.
- ✓Endemism → geographic restriction.
- ✓Bioprospecting → search for useful biological resources.
Endemic describes where a species occurs, not how threatened it is.
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