Question 4
FThe Figure shows the water cycle.
Figure
a.[2]
Name process A and process D.
b.[3]
Sea water is salty. Rain is fresh water.
Explain how the water cycle provides fresh water for organisms that live on land.
c.[2]
Large areas of forest have been cut down in some countries.
Suggest why this can reduce the amount of rain that falls in those areas.
4.1 Ecosystems Questions
111 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.