Global warming (AQA GCSE Biology): Flashcards
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Practise the cards
14 cards from this deck
Greenhouse gases
Greenhouse gases
Gases in atmosphere that trap heat from the sun
Main greenhouse gases (2)
Main greenhouse gases (2)
Methane and carbon dioxide
Sources of methane
Sources of methane
Farming: rice fields and cattle
Sources of carbon dioxide
Sources of carbon dioxide
Burning fossil fuels (coal, oil, natural gas)
Why greenhouse effect is strengthening
Why greenhouse effect is strengthening
More greenhouse gases being released into atmosphere
Evidence for global warming
Evidence for global warming
Thousands of studies, peer reviews, temperature measurements
Link between CO2 & temperature since 1850
Link between CO2 & temperature since 1850
As CO2 levels rise, global temperatures also increase
Farming activities increasing methane
Farming activities increasing methane
Growing rice in flooded fields, raising cattle
Activities increasing CO2
Activities increasing CO2
Burning coal, oil, natural gas for energy
Effect of small temperature rise
Effect of small temperature rise
Major changes to climate, sea levels, wildlife
Causes of rising sea levels
Causes of rising sea levels
Ice melting at poles, seawater expanding as it warms
How global warming affects wildlife
How global warming affects wildlife
Changes to migration, movement to new areas, breeding timing
Bluebell flowering evidence (1996-2012)
Bluebell flowering evidence (1996-2012)
Flowers appearing ~10 days earlier, shows warming temps
Future disease concern from warming
Future disease concern from warming
Tropical diseases could spread to previously cold areas