Complete CCEA A Level Biology notes on populations with definitions, explanations and diagrams Details include: environmental resistance population dynamics population interactions interspecific competition biological control estimating populations haemocytometer

Complete CCEA A Level Biology notes on respiration with definitions, explanations and diagrams Details include: -ATP -aerobic respiration -link reaction -krebs cycle -electron transport chain -anaerobic respiration -respiratory substrates -respiratory quotients -respirometer

Complete CCEA A Level Biology notes on genes + patterns of inheritance with definitions, explanations and diagrams Details include: -monohybrid inheritance -codominance -lethal allelic combinations -multiple alleles -sex linkage -pedigrees -dyhybrid inheritance -polygenic inheritance -epistasis -chi-squared test

Complete CCEA A Level Biology notes on gene technology with definitions, explanations and diagrams Details include: -PCR -genetic fingerprinting -genome sequencing -microarrays -pharmacogenetics -genetically modified organisms -transgenic plants -transgenic animals -gene therapy -gene knockout technology

Complete CCEA A Level Biology notes on population genetics with definitions, explanations + diagrams Details include: -hardy-weinburg equation -allele + genotype frequencies -genetic variation -selection -speciation

Complete CCEA A Level Biology notes on DNA as genetic code with definitions, explanations and diagrams Details include: -DNA + RNA -protein synthesis -transcription -translation -gene mutations -epigenetics

Complete CCEA A level Biology notes on populations with definitions, explanations and diagrams Details include: -primary succession -secondary succession

Complete CCEA A Level Biology notes on nutrient cycles with definitions, explanations and diagrams Details include: -carbon cycle -nitrogen cycle -human activities + the nitrogen cycle

Complete CCEA A Level Biology notes on respiration with definitions, explanations and diagrams Details include: -chloroplasts -absorption and action spectra -chromatography -light harvesting -light-dependent reactions -light-independent reactions -environmental factors

Complete CCEA A Level Biology notes on kingdom plantae with definitions, explanations and diagrams Details include: -mosses -ferns -flowering plants (angiosperms)

Complete CCEA A Level Biology notes on ecology with definitions, explanations and diagrams Details include: -feeding relationships -pyramid relationships -energy transfer -primary and secondary productivity -implication for agriculture

Complete CCEA A Level Biology notes on kingdom animalia with definitions, explanations and diagrams Details include: -symmetry, body layers + body cavities -cnidaria -platyhelminthes -annelida -arthropoda -chordata

Complete CCEA A Level Economics notes on oligopoly with definitions, explanations and diagrams Details include: -competition vs collusion -kinked demand curve -game theory

Complete CCEA A Level Economics notes on competition policy with definitions, explanations and diagrams Details include: -price controls -windfall taxes -merger policy -subsidies -lowering entry barriers -promoting competition + contestability -regulatory bodies -government intervention

Complete CCEA A Level Economics notes on PPF with definitions, explanations and diagrams Details include: Usage of resources Points on the curve Movements along the curve Shifts of the curve Trade-off between consumer & capital goods Shape of PPF Basic economic principles using PPF

Complete CCEA A Level Economics notes on costs with definitions, explanations and diagrams Details include: -short run -long run -law of diminishing returns -returns to scale -economies of scale -diseconomies of scale -shut-down position

Complete CCEA A Level Economics notes on monopolistic competition with definitions, explanations and diagrams Details include: -long run equilibrium -short run equilibrium (increase demand) -short run equilibrium (decrease demand)

Complete CCEA A Level Economics notes on growth with definitions, explanations and diagrams Details include: -internal/external growth -mergers -takeovers -motives -growth barriers

Complete CCEA A Level Economics notes on perfect competition with definitions, explanations and diagrams Details include: -assumptions -long run equilibrium -short run equilibrium -increase/decrease demand -efficiency

Complete CCEA A Level Economics notes on monopoly with definitions, explanations and diagrams Details include: -pure/natural -monopoly making abnormal profit -monopoly making a loss -price discrimination -monopoly vs PC