Videos for C4.2 Transfer of energy and matter - IB
These comprehensive video lessons help IB Biology students Standard Level (SL) and Higher Level (HL) understand and master the essential concepts needed for success in IB Exams. Each video focuses on C4.2 Transfer of energy and matter and is aligned with the IB Biology syllabus, ensuring focused learning on cell biology, genetics, and ecology. Students can watch and rewatch anytime, anywhere, perfect for visual learners, reinforcing complex concepts, and understanding IB methodology. By using RevisionDojo's video lessons consistently, learners build deep understanding and enter the exam with confidence.
3 min
Biology C4.2.1
C4.2.1 Ecosystems
1 min
Biology C4.2.2
C4.2.2 Sunlight
2 min
Biology C4.2.3
C4.2.3 Flow of chemical energy through food chains
2 min
Biology C4.2.4
C4.2.4 Construction of food chains and food webs
3 min
Biology C4.2.5
C4.2.5 Supply of energy to decomposers
3 min
Biology C4.2.6
C4.2.6 Autotrophs
3 min
Biology C4.2.7
C4.2.7 Use of light as the external energy source
2 min
Biology C4.2.8
C4.2.8 Heterotrophs
1 min
Biology C4.2.9
C4.2.9 Release of energy in both autotrophs and heterotrophs
2 min
Biology C4.2.10
C4.2.10 Classification of organisms into trophic levels
2 min
Biology C4.2.11
C4.2.11 Construction of energy pyramids
2 min
Biology C4.2.12
C4.2.12 Reductions in energy availability at each successive stage in food chains
2 min
Biology C4.2.13
C4.2.13 Heat loss to the environment in both autotrophs and heterotrophs
2 min
Biology C4.2.14
C4.2.14 Restrictions on the number of trophic levels in ecosystems
3 min
Biology C4.2.15
C4.2.15 Primary production as accumulation of carbon compounds in biomass by autotrophs
2 min
Biology C4.2.16
C4.2.16 Secondary production as accumulation of carbon compounds in biomass by heterotrophs
2 min
Biology C4.2.17
C4.2.17 Constructing carbon cycle diagrams
2 min
Biology C4.2.18
C4.2.18 Ecosystems as carbon sinks and carbon sources
2 min
Biology C4.2.19
C4.2.19 Release of carbon dioxide into the atmosphere during combustion
2 min
Biology C4.2.20
C4.2.20 Analysis of the Keeling Curve in terms of photosynthesis, respiration and combustion
2 min
Biology C4.2.21
C4.2.21 Dependence of aerobic respiration on atmospheric oxygen produced by photosynthesis
3 min
Biology C4.2.22
C4.2.22 Recycling of all chemical elements required by living organisms in ecosystems