B2G

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  • Created by: ellxe
  • Created on: 19-05-16 11:06
What is the human population doing?
Increasing very rapidly (exponentially)
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As well as a rise in population, what is causing pressure on the environment?
A higher standard of living in developed countries. Small proportion of population and large proportion of pollution!
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What is global warming doing?
When fossil fuels are burnt they release carbon dioxide, a greenhouse gas. They trap heat in the atmosphere, causing the global temperature to rise.
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What is acid rain doing?
When fossil fuels and waste materials are burnt they release sulfur dioxide which reacts with water vapour and falls as acid. It damages soil and kills trees, changes pH of lakes, ruins buildings.
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What is ozone depletion doing?
CFCs used to be in lots of things but they break down the ozone layer allowing UV rays to reach the surface = more chance of skin cancer and plankton might be killed-sea food chain hell!
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What does an indicator species do?
Tells us if an area is polluted or not.
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How can you tell about pollution from lichens?
They can only survive in clean air - cleaner air = more lichens
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How can you tell about pollution from mayfly larvae?
Cant survive in polluted water. Cleaner water = more mayfly larvae
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What indicates there IS pollution?
Water lice, rat tailed maggots and sludgeworms all adapted to live in polluted water
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Advantages of using indicator species to measure pollution?
Quick, cheap, easy;
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Disadvantages of using indicator species to measure pollution?
Other factors can influence species survial
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Advantages of using non-living methods to measure pollution?
Reliable data, exact, comparable
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Disadvantages of using non-living methods to measure pollution?
Expensive equipment and trained workers
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Other cards in this set

Card 2

Front

As well as a rise in population, what is causing pressure on the environment?

Back

A higher standard of living in developed countries. Small proportion of population and large proportion of pollution!

Card 3

Front

What is global warming doing?

Back

Preview of the front of card 3

Card 4

Front

What is acid rain doing?

Back

Preview of the front of card 4

Card 5

Front

What is ozone depletion doing?

Back

Preview of the front of card 5
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Comments

/Lucas/Austin/

This is really good, you have encouraged the use of key words that will help gain marks in an exam. Thank you for this

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