AQA · Biology · 8461
GCSE Biology: Land use
Ecology · AQA GCSE Biology (8461), specification point 4.7.3.3. Cards are generated from the exam board's own specification for "Land use", and every card links back to the page it came from. Specification © AQA — used with attribution.
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Name three human activities that reduce the land available for other animals and plants.
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Any three of: building, quarrying, farming, dumping waste.
Peat bogs are destroyed mainly to produce garden ?.
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compost
How does destroying peat bogs affect biodiversity?
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It reduces the area of the peat habitat, so fewer different plant, animal and microorganism species can live there.
Which gas is released when peat decays or is burned?
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Carbon dioxide.
Why does using peat as compost contribute to global warming?
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When the peat decays or is burned it releases carbon dioxide, a greenhouse gas, into the atmosphere.
Define biodiversity.
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The variety of different species of plants, animals and microorganisms living in a habitat or ecosystem.
What is the main argument in favour of extracting peat for compost?
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It provides cheap, readily available compost, which helps increase food production.
Give two reasons for conserving peat bogs rather than extracting them.
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They are habitats that support biodiversity, and leaving peat in place avoids carbon dioxide emissions.
Extracting peat for compost is a conflict between cheap food production and conserving peatlands as habitats for ?.
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biodiversity
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