Скачать или смотреть CLASS-12TH | CRASH COURSE | BIOLOGY | ECOSYSTEM | BY RASHMI KIRAN MAM

Class 12 Biology Crash Course 2026 | Chapter 14 Ecosystem FULL CHAPTER | NCERT Complete Coverage | CBSE Board Exam 2026

Explore the web of life in this ultimate ONE-SHOT Crash Course on "Ecosystem"! From energy flow to nutrient cycles, master structure, function & services with crystal-clear concepts, diagrams, real-world examples & PYQs – build your eco-intelligence for boards & NEET/JEE!

✅ Everything Covered in this Crash Course:
• Ecosystem Structure & Function: Biotic (Producers, Consumers, Decomposers) & Abiotic Components
• Productivity: Primary (GPP, NPP) & Secondary Productivity, Factors Affecting
• Decomposition: Fragmentation, Leaching, Catabolism, Humification, Mineralization – Role of Microorganisms
• Energy Flow: Unidirectional, 10% Law (Lindeman's), Food Chains (Grazing, Detritus), Food Webs
• Ecological Pyramids: Number, Biomass, Energy – Upright/Inverted Examples (e.g., Forest vs Pond)
• Ecosystem Succession: Primary (Bare Rock to Climax) & Secondary (Abandoned Farm), Seral Stages, Pioneer Species
• Nutrient Cycles: Carbon, Phosphorus, Nitrogen Cycles – Diagrams & Human Impact
• Ecosystem Services: Pollination, Global Climate Regulation, Water Purification, Biodiversity Hotspots
• All Important Diagrams: Energy Pyramid, Nutrient Cycles, Succession Stages
• Previous Year Questions (2018–2025) + Expected Questions for 2026
• High-Weightage Topics & Quick Tricks (e.g., 10% Rule Mnemonics)

Perfect 1.5-hour revision – Connect the dots in ecology like never before!

👉 Best for CBSE Class 12 Biology Board Exam 2026
👉 100% NCERT Based + NEET/JEE Level Depth
👉 Animated Cycles + Mnemonics + Case Studies (e.g., Chernobyl Succession)
👉 Target 95+ in Biology Boards!

Best for Boards, NEET 2026, JEE Main/Advanced

👍 Like if ecosystems just came alive!
🔔 Subscribe & Press Bell for Full Class 12 Biology Crash Course Playlist
💬 Comment your doubts on nutrient cycles or pyramids – Reply in 24 hrs!

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