You will need to use a combination of the materials we have collected here to enable you to succeed. The most important factor will always be your effort. Use the knowledge of your teacher, attend revision sessions, ask when you need help. Most importantly of all, stay confident! You can do this!
Represent the feeding relationships within a community using a food chain and describe these relationships
Explain how and why ecologists use quadrats and transects
Describe and interpret predator-prey cycles
Required practical 9: measure the population size of a common species in a habitat. Use sampling to investigate the effect of one factor on distribution
Describe the processes involved in the carbon cycle
Describe the processes involved in the water cycle
Explain how temperature, water and availability of oxygen affect the rate of decay of biological material
Explain how the conditions for decay are optimised by farmers and gardeners, and the reasons for this
Describe how methane gas can be produced from decaying materials for use as a fuel
Explain how environmental changes can affect the distribution of species in an ecosystem (temperature, water and atmospheric gases)
4.7.1.4 Adaptations
4.7.2.4 Impact of environmental change
4.7.3.1 Biodiversity
4.7.3.4 Deforestation
4.7.3.6 Maintaining biodiversity
4.7.4.1 Trophic levels
4.7.4.2 Pyramids of biomass
4.7.5.3 Sustainable fisheries
4.7.5.4 Role of biotechnology
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Complete the questions
Use the Mark Scheme to check your answers
If you do not understand the correct answer, and need help, ask your teacher.
If you need another set of practice questions ask Mr Whittle.
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Revision Questions: Use these the guide your revision