Exam code: 8035
The living world
Study Figure 6, a world map showing some global ecosystems.
Using Figure 6, which one of the following statements is true?
Shade one circle only.
There is a greater area of hot desert in the Southern Hemisphere than the Northern Hemisphere.
The largest single area of tropical rainforest is in South America.
Temperate deciduous forests are all found on the western side of continents.
Hot desert areas are all found between the two tropics.
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Study Figure 6, which shows a food web for a small scale ecosystem in the UK.
Using Figure 6, which one of the following statements is true?
Shade one circle only.
Sparrowhawks eat plants.
Voles eat moles.
Moles eat beetles.
Badgers eat small birds.
Suggest what would happen in the food web shown in Figure 6 if foxes became extinct.
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Study Figure 7, which shows annual climate data for two different environments.
Using Figure 7, calculate the temperature range in Place A.
Using Figure 7, state two differences between the climate in Place A and Place B.
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Study Figure 5, a world map showing global biodiversity levels.
Using Figure 5, describe the location of areas with low biodiversity levels.
Using Figure 5, suggest one reason for the high biodiversity levels in area X.
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Study Figure 7, a typical climate graph for one global ecosystem.
Which global ecosystem is most likely to have the temperature and precipitation pattern shown in Figure 7?
Shade one circle only.
temperate deciduous forest
tundra
hot desert
savanna
State the minimum temperature shown in Figure 7.
–26°C
–28°C
–30°C
–32°C
Give one reason why polar regions have low temperatures throughout the year.
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State one role of decomposers in an ecosystem.
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Study Figure 7, a graph showing the biomass at different levels of a food chain.
Calculate the percentage loss in biomass between the primary consumer and secondary consumer levels.
Shade one circle only.
2.5%
97.5%
25.2%
95.5%
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Give two reasons why the biomass changes between each level in the food chain.
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What is the role of producers in an ecosystem?
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Which global ecosystem matches the following description?
An area with trees which drop their leaves in winter.
Shade one circle only.
Tundra.
Tropical grassland.
Deciduous forest.
Tropical rainforest.
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For a small scale ecosystem you have studied, name one producer and one consumer.
Producer ____________
Consumer _____________
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Which one of the following phrases defines the term biodiversity?
How living things affect each other and the environment.
The number and types of plants and animals that live in an area.
Energy flows between living things when they eat or are eaten.
How plants and animals are adapted to their habitats.
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The living world
Study Figure 5, a map showing the major world ecosystems.
Figure 5
Using Figure 5, which one of the following statements is true?
Shade one circle only.
There are temperate grasslands in every continent
Deserts are only found in the middle of continents
Temperate deciduous forests are only found in the Northern hemisphere.
Coniferous forests occur in large areas of North America, Europe and Asia.
Using Figure 5, name the continent with the largest area of savanna.
Which statement describes the characteristics of temperate deciduous forests?
Shade one circle only.
The vegetation is short because the growing season only lasts two months
The trees drop their dead leaves because of lower temperatures in winter.
The vegetation is sparse because rainfall is low
The vegetation is evergreen because the climate is hot all year round.
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What is the difference between a food chain and a food web?
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For a small scale ecosystem you have studied, outline the link between producers and consumers.
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Study Figure 1, which shows the distribution of world biomes.
Using figure 1 and your own understanding, explain why different biomes are found in different parts of the world.
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Study Figure 6, which shows a woodland food web
Explain how a decrease in the mouse population could impact the food web
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Study Figure 1, which shows a deciduous forest nutrient cycle
Using figure 1 and your own understanding explain how ecosystems are interdependent
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Study Figure 1, which shows cases of chalara (ash dieback) in the UK
Using Figure 1 and your own understanding explain how natural and human-induced changes can affect ecosystems
Source: BBC
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Study Figure 1, which shows the world biomes
Explain the distribution of the tropical rainforest and coniferous forest (boreal) biomes
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