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4.1 Ecosystems

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Question 8

Which row in the table correctly identifies an abiotic factor and a biotic factor in an ecosystem?

Abiotic factorBiotic factor
APathogensTemperature
BSoil moistureCompetitors
CPredatorsSoil moisture
DCompetitionWind speed
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

4.1 Ecosystems Questions

  1. GCSE
  2. /Biology
  3. /4.1 Ecosystems

67 exam-style questions on OCR GCSE Biology 4.1 Ecosystems, covering 4.1.1 Cycling of materials in ecosystems, 4.1.2 Microorganisms in cycling materials, 4.1.3 The carbon and water cycles, 4.1.4 Factors affecting decomposition, 4.1.5 Levels of organisation in an ecosystem, 4.1.6 Abiotic and biotic factors affecting communities, 4.1.7 Interdependence and competition, 4.1.8 Trophic levels, 4.1.9 Pyramids of biomass, and 4.1.10 Efficiency of biomass transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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