Name : Nurul Emyra Binti Joseph Chan @ Muin
Class : 4 Permata
Subject : Biology
Teacher`s name: Wong Jia hui
Index
No. | Subjects | Pages |
1 | The human activities that threaten the ecosystem | |
2 | The effects of unplanned development and mismanagement of the ecosystem | |
3 | Green house effect and the thinning of ozone layer | |
4 | An investigation of the level of pollution in several different sources of water | |
5 | Discussion | |
6 | Measures taken in the management of development activities and the ecosystem to ensure a balance of nature is maintained | |
The Human Activities
That threaten the Ecosystem
1) Deforestation =
Rapid destruction of woodlands or removal or trees from the forest
2) Burning of fossil fuel =
The combustion of fuels that formed by natural processes such as anaerobic decomposition of buried dead organisms.
3) Dumping of domestic waste =
The removal of unused substances from domestic products from houses and residential area.
4) Dumping of industrial waste =
The removal of unused substances from industry products from factories.
5) The using of fertilizers in intensive farming =
The excessive of using in fertilizers to plants.
The Effects of Unplanned Development and Mismanagement of the Ecosystem
1) Soil erosion =
Soil is removed by the action of water or wind.
2) Landslides =
Geological phenomenon which includes a wide range of ground movement.
3) Flash floods =
Rapid flooding of geomorphic low-lying areas.
4) Climatic changes =
Significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years.
5) The loss of biodiversity =
The extinction of varies life.
6) The greenhouse effect =
Process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions....
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