Human Influences on the environment
- Created by: Carys Gerard
- Created on: 30-03-13 12:03
Other questions in this quiz
2. What environmental features are controlled within fish farming?
- Water quality, numbers of fish, interspecific competition, food quality and selective breeding.
- Net quality, numbers of fish, interspecific competition, fish quality and selective breeding.
- Plant quality, numbers of fish, intraspecific competition, food quality and unselective breeding.
3. How does eutrophication happen?
- Nitrates are leached from the soil into lakes and rivers and algae growth decreases and uses up all the carbon dioxide so other animals cannot survive.
- Nitrates are leached from the soil into lakes and rivers and algae growth increases and uses up all the oxygen so other animals cannot survive.
- Nitrates are leached from the soil into lakes and rivers and algae growth increases and uses up all the carbon dioxide so other animals cannot survive.
4. How do pesticides increase crop yield?
- Chemicals that kill female pests
- Chemicals that kill the pests
- Chemicals that produce pests
5. How does deforestation increase the amount of CO2 in the air?
- With less trees less CO2 is being used up and with the slash and burn method even more CO2 is being added.
- With less trees more CO2 is being used up and with the slash and burn method even more CO2 is being added.
- With less trees less CO2 is being used up and with the slash and burn method even less CO2 is being added.
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