Biodiversity and Conservation: NEET Biology Notes | NCERT Class 12 Chapter 13
*NEET 2027: Chapter 13 Biodiversity and Conservation - Detailed Short Notes* 🌍 _Class 12 Biology | NCERT Line-by-Line + PYQ 4Q Tak Aa Sakte Hain_ ### *1. Biodiversity - Concept & Levels* - *Term*: Edward Wilson = Father of Biodiversity. Coined 'biodiversity'. - *Definition*: Combined diversity at all levels of biological organization. - *3 Levels with NEET Examples*: **Level** **Meaning** **NEET Example** **Genetic Diversity** Diversity within species due to genes 1. 50,000 rice varieties in India 2. 1,000 mango varieties 3. Rauwolfia vomitoria = Reserpine variation **Species Diversity** Diversity at species level Western Ghats amphibians > Eastern Ghats **Ecological Diversity** Diversity at ecosystem level India: Deserts, Rainforests, Mangroves, Coral reefs, Alpine meadows ### *2. Magnitude of Biodiversity* - *Described Species*: 1.7-1.8 million. Robert May estimate: Global = 7 million spe...