Food chain — Study Resources & PYQs
Food chains and energy transfer within ecosystems.
- Estimated study time: 30 minutes
Study resources
- 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.
Taught in these subjects
- ENERGY AND ENVIRONMENT — BCET11 · Government College of Engineering and Technology, Jammu