Questions: Ecology
Pick a question type. Each time you get new numbers. Free ones are marked free.
Communities, interdependence and adaptations
- Population, community, habitat and ecosystemChoose, 1 mark, free
- Abiotic and biotic factorsChoose, 1 mark, free
- Interdependence in a food webChoose, 2 marks, free
- Structural, behavioural and functional adaptationsChoose, 1 mark, free
- Explaining an adaptationExplain, 3 marks, free
- Competition and extremophilesChoose, 1 mark, free
- Reading a graph of distribution against an abiotic factorDetermine, 4 marks, free
Sampling with quadrats, transects and capture-recapture
- Percentage cover from a gridded quadratCalculate, 4 marks, free
- Population from quadrats that are not 1 m²Estimate, 4 marks, free
- Required practical: a belt transect into a woodComplete, 5 marks, free
- Reading distribution along a transectDetermine, 3 marks, free
- Capture-recaptureEstimate, 3 marks, free
- Capture-recapture: the assumptionsChoose, 1 mark, free
- Required practical: designing a field investigationChoose, 1 mark, free
- Plan: comparing a plant population in two areas (6 marks)Describe, 6 marks, free
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
Biodiversity and human impact
- 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
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
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
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