Questions: Ecology
New numbers every time.
Communities, interdependence and adaptations
- Population, community, habitat and ecosystemChoose, 1 mark, Plus
- Abiotic and biotic factorsChoose, 1 mark, Plus
- Interdependence in a food webChoose, 2 marks, Plus
- Structural, behavioural and functional adaptationsChoose, 1 mark, Plus
- Explaining an adaptationExplain, 3 marks, Plus
- Competition and extremophilesChoose, 1 mark, Plus
- Reading a graph of distribution against an abiotic factorDetermine, 4 marks, Plus
- Parasitism, mutualism, predation or competitionIdentify, 1 mark, Plus
- Parasites, hosts and mutualismChoose, 1 mark, Plus
- Populations, communities and the factors that affect themIdentify, 5 marks, Plus
- How an adaptation helpsSuggest, 5 marks, Plus
Sampling with quadrats, transects and capture-recapture
- Percentage cover from a gridded quadratCalculate, 4 marks, Plus
- Population from quadrats that are not 1 m²Estimate, 4 marks, Plus
- Required practical: a belt transect into a woodComplete, 5 marks, Plus
- Reading distribution along a transectDetermine, 3 marks, Plus
- Capture-recaptureEstimate, 3 marks, Plus
- Capture-recapture: the assumptionsChoose, 1 mark, Plus
- Required practical: designing a field investigationChoose, 1 mark, Plus
- Plan: comparing a plant population in two areas (6 marks)Describe, 6 marks, Plus
- Estimating a population with quadratsDesign, 7 marks, Plus
- Capture-recapture, forwards and backwardsDeduce, 7 marks, Plus
- A belt transect from under a treeAnalyse, 6 marks, Plus
Food chains, cycles and decay
- Producers and consumers in a food chainChoose, 2 marks, Plus
- Predator and prey cycles from a graphDetermine, 5 marks, Plus
- Processes in the carbon cycleChoose, 1 mark, Plus
- The carbon cycle (6 marks)Describe, 6 marks, Plus
- The water cycleChoose, 1 mark, Plus
- Decomposition, compost and biogasChoose, 1 mark, Plus, Biology only
- Required practical: rate of decay of milkCalculate, 3 marks, Plus, Biology only
- Required practical: decay results with an anomalyDetermine, 5 marks, Plus, Biology only
- Required practical: the milk and lipase methodChoose, 1 mark, Plus, Biology only
- Required practical: plotting the rate of decayPlot, 4 marks, Plus, Biology only
- The nitrogen cycleChoose, 1 mark, Plus
- The nitrogen cycle (6 marks)Describe, 6 marks, Plus
- Plan: temperature and the rate of decay of milk (6 marks)Describe, 6 marks, Plus, Biology only
- Predators and preyPredict, 5 marks, Plus
- The carbon cycle sketchedSketch, 8 marks, Plus
- Roles in a food chainIdentify, 5 marks, Plus
Biodiversity and human impact
- Environmental change and where a species lives (5 marks)Evaluate, 5 marks, Plus, Biology only, Higher tier
- Biodiversity, pollution and conservationChoose, 1 mark, Plus
- Land use, deforestation and global warmingChoose, 1 mark, Plus
- Percentage decrease in a populationCalculate, 3 marks, Plus
- Land use as percentagesCalculate, 4 marks, Plus
- Reading carbon dioxide data from a graphDetermine, 4 marks, Plus
- Deforestation: area and carbonCalculate, 5 marks, Plus
- Indicator species dataDetermine, 2 marks, Plus
- The steps of eutrophicationChoose, 2 marks, Plus
- Eutrophication: river survey dataCalculate, 5 marks, Plus
- Eutrophication (6 marks)Explain, 6 marks, Plus
- Define the terms of ecologyDefine, 3 marks, Plus
- Carbon dioxide and global warmingJustify, 7 marks, Plus
- Indicator species below a sewage outletAnalyse, 7 marks, Plus
- Deforestation for farming (6 marks)Discuss, 6 marks, Plus
- Ways to protect biodiversity (6 marks)Compare, 6 marks, Plus
Trophic levels, pyramids and efficiency
- Trophic levels and apex predatorsGive, 2 marks, Plus, Biology only
- Drawing a pyramid of biomass to scaleCalculate, 3 marks, Plus, Biology only
- Efficiency of biomass transfer along a chainCalculate, 5 marks, Plus, Biology only
- Where the biomass a herbivore eats goesCalculate, 3 marks, Plus, Biology only
- Why biomass is lost along a chainChoose, 1 mark, Plus, Biology only
- Estimating dry biomass from samplesEstimate, 4 marks, Plus, Biology only
- Using efficiency to find biomassCalculate, 2 marks, Plus, Biology only
- Biomass and efficiency along a food chainCalculate, 7 marks, Plus, Biology only
- Where the energy in food goesCalculate, 5 marks, Plus, Biology only
Food security and farming
- Threats to food securityChoose, 1 mark, Plus, Biology only
- Feed conversion in intensive and free-range farmingCalculate, 4 marks, Plus, Biology only
- Sustainable fisheriesChoose, 1 mark, Plus, Biology only
- Biotechnology and mycoproteinChoose, 1 mark, Plus, Biology only
- Feeding people with crops or with meatCalculate, 3 marks, Plus, Biology only
- Fishing quotas and fish stocksEvaluate, 8 marks, Plus, Biology only
- Mycoprotein as foodSuggest, 5 marks, Plus, Biology only
- Feeding a growing population (6 marks)Assess, 6 marks, Plus, Biology only
Biological control and bioaccumulation
- Biological control (Edexcel, Biology only)Choose, 1 mark, Plus, Biology only
- The control organism and the pest (Edexcel, Biology only)Identify, 2 marks, Plus, Biology only
- Biological control or pesticide: greenhouse data (Edexcel, Biology only)Calculate, 4 marks, Plus, Biology only
- Bioaccumulation of pesticidesChoose, 1 mark, Plus
- Pesticide concentrations along a food chainCalculate, 3 marks, Plus
- How much pesticide a predator takes inCalculate, 4 marks, Plus
- Biological control or a pesticide? (6 marks, Edexcel, Biology only)Evaluate, 6 marks, Plus, Biology only
Fish farming, introduced species and the cycles in depth
- Fish farming: benefits and problems (Edexcel)Choose, 1 mark, Plus
- Feed and fishmeal on a fish farm (Edexcel)Calculate, 5 marks, Plus
- Non-indigenous species (Edexcel)Choose, 1 mark, Plus
- Red and grey squirrels (Edexcel)Calculate, 4 marks, Plus
- What changes the rate of decomposition (Biology only)Choose, 1 mark, Plus, Biology only
- Leaf litter bags: rate of decomposition (Biology only)Calculate, 5 marks, Plus, Biology only
- The carbon cycle in numbersCalculate, 4 marks, Plus
- The water cycle in depthChoose, 1 mark, Plus
- Leaf litter bags at two sitesDeduce, 6 marks, Plus, Biology only
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