Organisms and Population Class 12 Notes PDF Download - NCERT Chapter 11 NEET 2027
NEET Dropper here! Dropping complete Chapter 11 Notes for all NEET 2027 Aspirants 🔥 ### *NEET 2027: Chapter 11 Organisms and Populations - Expanded Notes* _Class 12 Biology | NCERT Line-by-Line + PYQ + Diagrams_ ### *1. Organism & Its Environment* - *Ecology*: Term by Ernst Haeckel. Study of interactions among organisms & with abiotic environment. - *Hierarchy*: Organism → Population → Community → Ecosystem → Biome → Biosphere. - *Major Abiotic Factors*: 1. *Temperature*: Most ecologically relevant. Affects enzyme kinetics. Avg temp on land: 0-50°C. 2. *Water*: Life originated in water. Desert = <10cm rainfall. Productivity of ocean limited by light. 3. *Light*: Photosynthesis, foraging, migration, reproduction. UV = harmful. 4. *Soil*: Weathering of rocks. pH, minerals, topography decide vegetation. ...