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Pearson Edexcel IAL Biology

Unit 4: Energy, Environment, Microbiology and Immunity

Topic 5 - Energy Flow, Ecosystems and the Environment

5.1—Overall reaction of photosynthesis

5.2—Photophosphorylation, ATP and energy supply

5.3—Light-dependent reactions

5.4—Light-independent reactions and Calvin cycle products

5.5—Chloroplast structure and photosynthesis

5.6—Absorption and action spectra

5.7—Chloroplast pigment chromatography

5.8—Core Practical 10 - factors affecting photosynthesis rate

5.9—GPP, NPP and plant respiration

5.10—Biomass and energy transfer efficiency

5.11—Population, community, habitat and ecosystem

5.12—Biotic and abiotic factors

5.13—Niche, distribution and abundance

5.14—Core Practical 11 - habitat ecology study

5.15—Succession and climax community

5.16—Evidence for climate change

5.17—Anthropogenic climate change and greenhouse gases

5.18—Carbon cycle applications

5.19—Climate models and extrapolation

5.20—Climate change effects on plants and animals

5.21—Temperature, enzyme activity and Q10

5.22—Core Practical 12 - temperature and organism development

5.23—Evolution by mutation and natural selection

5.24—Isolation, gene flow and speciation

5.25—Scientific conclusions in controversial issues

5.26—Conservation management and human needs

Topic 6 - Microbiology, Immunity and Forensics

Unit 5: Respiration, Internal Environment, Coordination and Gene Technology

Unit 6: Practical Skills in Biology II

Assessed mathematical skills and measurement conventions

A-Level/Edexcel/Biology//A2/Concept/Unit 4: Energy, Environment, Microbiology and Immunity/Topic 5 - Energy Flow, Ecosystems and the Environment/5.11—Population, community, habitat and ecosystem

Unit 4: Energy, Environment, Microbiology A2 and Immunity

Syllabus: 2021
Section: —
Level: A2

Exam analysis

Most tested topics

Topic 5 - Energy Flow, Ecosystems and the Environment
Topic 6 - Microbiology, Immunity and Forensics