Essay
Essay Unit 3- Biology and our universe
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Land pollution water pollution air pollution deforestation
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How do humans effect the environment?The human population is growing at an exponential rate. To meet the demands of this growing population there is an ever greater need for food, resources
and shelter than ever before.
Task: Complete the following table to outline the impact that human are having on the environment, keep it simple and to the point, do not waffle or
use jargon you don’t understand.
Use the following links provided:
1. Very good Overview about the impacts of humans on the environment
http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/evolution/humansact.shtml
2. BBC Bitesize about land, air and water pollution
http://www.bbc.co.uk/schools/gcsebitesize/science/triple_aqa/humans_and_environment/waste_human_activity/revision/2/
3. BBC Bitesize about deforestation
http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/evolution/humansrev4.shtml
Description of activity What effect does the activity have on the environment
Land pollution 1. Use of herbicides and pesticides in
agriculture Problems can occur for the environment as the chemicals can stay within the soil
Chemicals such as herbicides and pesticides are for extended periods of time, this pollutes the land. They can also be swept into
used in order to kill weeds and pesticides, so rivers, lakes and seas which would destroy aquatic life (Aktar et’al, 2009).
they do not end up ruining yields of crops.
.
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