IB Environmental systems and societies Topic 2.2 Energy and Biomass in Ecosystems (SL/HL) covers syllabus content. Use these notes, questionbank, flashcards, and lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
What this topic covers
2.2A First law of thermodynamics
2.2B Photosynthesis and cellular respiration
2.2C Second law of thermodynamics
2.2D Food Chain and Energy Loss
2.2E Gross productivity and Net productivity
2.2F Food Web and Biomass
2.2G Ecological Pyramids
2.2H Pollutants and human activities
2.2I Productivity and Ecological efficiency (HL)
2.2J Modes of nutrition (HL)