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8 Cards in this Set
- Front
- Back
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What changes is global warming expecting to bring about?
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Temperature, precipitation, timing of the seasons and frequency of extreme events
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What will climate change affect?
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The niches that are available in a community. As each organism is adapted to a particular niche, the distribution of species will alter.
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What could the melting of polar ice caps cause?
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Extinction of some wild animals and cause sea levels to rise
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What are the issues with a rise in sea level?
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Low-lying land will be flooded (e.g. Bangladesh), major cities could be flooded and fertile land such as the Nile delta
Salt water contamination would make growing plants difficult |
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High temperatures and less rainfall could lead to the _______ of crops. Therefore only __________ plants could survive. Animals may also be dependent on this food.
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failure, xerophytic
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As the animals (and pathogen carrying pests) change their niche (migrate to different areas), what might happen?
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Tropical diseases may spread.
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What are some potential benfits of global warming?
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Increased rainfull can fill reservoirs, warmer temperatures may be allow growing of crops where it is currently too cold, rate of PS (and therefore productivity) could increase, might be possible to harvest twice a year
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How can we work out carbon dioxide concentration 1000s of years ago before we took measurements?
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Concentration of carbon dioxide in the ice, dig down to find older ice.
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