Friday, October 15, 2010

Ecosystem

Ecosystem is a functional unit that consist of living things and non-living things in a given area, linked together through nutrient cycle and energy flow.

There are two types of ecosystem:
1.Terrestrial ecosystem and 2.Aquatic ecosystem.

Terrestrial ecosystem exists on land and aquatic ecosystem exists in water.

Ecosystem give important life-support services to human beings.Both types of ecosystem have been affected by human activities.Water pollution from industries and deforestation may be given as examples.







 

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