Ecosystem — Study Resources & PYQs
Concept, structure and function of ecosystems.
- Estimated study time: 30 minutes
Study resources
- Unit 3: Ecosystems - AAGASC college notes (PDF) — Covers the whole ecosystem topic: structure, food webs, and the four ecosystem types with characteristic features. This is the main reading for this section.
- Environmental Science lecture notes - VEMU Institute of Technology (PDF) — B.Tech lecture notes with a clean breakdown of biotic vs abiotic components and natural vs artificial ecosystems. Good diagrams to copy.
- Food chain, Food web and Ecological Pyramids - Centurion University (PDF) — Short focused PDF that defines each of the three concepts and links them to trophic-level interaction. Exactly the depth the syllabus asks for.
- Food chain, food web and ecological pyramids (SlideShare) (Article) — Slides covering pyramids of number, biomass and energy, plus bioaccumulation and biomagnification. Explains why the pyramid of energy is never inverted.
- Ecological Pyramids in Ecosystem - Letstute (Video) — Indian channel, animated explanation of the three types of ecological pyramids. Start here if the pyramid diagrams are confusing.
- Food Webs and Energy Pyramids - Amoeba Sisters (Video) — Short, well-drawn English video on how food chains link into webs and how energy drops at each level. Very memorable visuals.
- BYJU'S - Structure, Functions and Types of Ecosystem (Article) — Explains what an ecosystem is, its biotic & abiotic components, and how structure and function are organised.
- BYJU'S - CBSE Class 12 Biology Notes: Ecosystem (Article) — CBSE Class 12 Biology notes covering ecosystem structure, function, and components in exam-oriented format.
Taught in these subjects
- ENERGY AND ENVIRONMENT — BCET11 · Government College of Engineering and Technology, Jammu
- ENERGY AND ENVIRONMENT — BCET11 · Government College of Engineering and Technology, Jammu
- ENVIRONMENTAL SCIENCE — CET6201 · Government College of Engineering and Technology, Jammu