miércoles, 3 de junio de 2009

ecology

Hello my friends! How are you?today the topic of our conversation is the ECOLOGYfor starting...I have to explain what is that...ecology is the science that studies the living beings, their environment, their distribution and abundance and how these are affected by different factors like the interaction between the organisms and the interaction with the abiotic environments. In these days the ecosystem looks very affected by the human action in the earth and appear problems like the ozone layer weakening, excessive cut down of the forests, the rivers and water pollution, the global warming, the liberation of toxic gases and so many other problems.
We should take care of our planet and we must do something to solve all those problems or at list made everything that we can. For example save water, collect the garbage from the floor and respect the cars constraint.
These are little things but everyone can contribute a bit.
Bye! Have a nice day!

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