The whole topic on one page. Each branch is one subtopic; read it out loud and try to explain every word.
Ecology
Adaptations and interdependence
- Levels of organisationOrganismPopulationCommunityEcosystem
- CompetitionPlants: light, space, water, ionsAnimals: food, mates, territory
- InterdependenceStable community
- Abiotic factorsLightTemperatureMoistureSoil pH and minerals
- Biotic factorsFoodNew predatorsNew pathogensOutcompeted
- AdaptationsStructuralBehaviouralFunctionalExtremophiles
Organisation of an ecosystem
- Food chainsProducerPrimary consumerPredator and prey
- SamplingQuadratsTransectsMean, mode, median
- Predator-prey cyclesPrey peaks first
- Carbon cyclePhotosynthesisRespirationDecay
- Water cycleEvaporationPrecipitation
- MicroorganismsReturn carbon dioxideReturn mineral ions
- DecompositionTriple onlyTemperatureWaterOxygenCompost and biogas
- Environmental changeTriple onlyHigher tierTemperatureWaterAtmospheric gases
Biodiversity and humans
- BiodiversityVariety of speciesStability
- Waste and pollutionWaterAirLand
- Land useBuildingQuarryingFarmingPeat bogs
- DeforestationCattle and riceBiofuels
- Global warmingCarbon dioxideMethaneHabitat loss
- Maintaining biodiversityBreeding programmesProtect habitatsHedgerowsRecycling
Trophic levelsTriple only
- Trophic levelsTriple onlyProducersPrimary consumersSecondaryTertiary
- Apex predatorTriple only
- DecomposersTriple onlySecrete enzymesMolecules diffuse in
- Pyramids of biomassTriple only
- Transfer of biomassTriple only1% of light energy10% to next level
- Biomass lossesTriple onlyFaecesRespirationUrine
- Efficiency calculationTriple only
Food productionTriple only
- Food securityTriple onlyBirth ratePests and pathogensConflict
- Farming techniquesTriple onlyLimit movementControl temperatureHigh protein feed
- Sustainable fisheriesTriple onlyNet sizeQuotas
- MycoproteinTriple onlyFusariumGlucose syrup
- GM bacteria and cropsTriple onlyInsulinGolden rice