Global Warming (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Definition of global warming
Definition of global warming
Ongoing increase in Earth's average temperature
Primary cause of global warming
Primary cause of global warming
Rise in greenhouse gases
Two main greenhouse gases
Two main greenhouse gases
Carbon dioxide (CO₂) and methane (CH₄)
How greenhouse gases cause warming
How greenhouse gases cause warming
Trap heat in atmosphere & reflect it back to Earth
Effect of warming on polar ice caps
Effect of warming on polar ice caps
Polar ice caps and glaciers melt
Animals losing habitat from melting ice
Animals losing habitat from melting ice
Polar bears and seals
Effect of melting ice on sea levels
Effect of melting ice on sea levels
Sea levels rise
Impact of rising sea levels on habitats
Impact of rising sea levels on habitats
Floods low-lying areas, reduces terrestrial & aquatic habitats
Effect on migration from global warming
Effect on migration from global warming
Temperature & rainfall shifts disrupt migration routes
Impact on species distribution
Impact on species distribution
Species may not survive in traditional habitats
Why global warming causes biodiversity loss
Why global warming causes biodiversity loss
Habitats destroyed/altered, species become extinct