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The earth is an ecosystem ii
 

The earth is an ecosystem ii

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    The earth is an ecosystem ii The earth is an ecosystem ii Presentation Transcript

    • THE EARTH IS AN ECOSYSTEMgrupo:de Marin lehmann-bender, Jose Garcia Jimenez,Eugenio and Tania •The litosphere or the Earth´s surface. •The hydrosphere:all the water on the Earth •The atmosphere:the gaseous layer that surrounds •The biosphere ,all living things on the planet.
    • What is an ecosystem?• An ecosystem is a biological system consisting of all the living organisms or biotic components in a particular area and the nonliving or abiotic component with which the organisms interact, such as air, mineral soil, water and sunlight
    • THE ECOSYSTEM
    • Why is the balance of the ecosystem at risk?• However in recent years ,human activity has transformed the planet.In many cases ,this has put the balance of ecosystem at risk
    • Greenhouse effect• The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions.
    • GREENHOUSE EFFECT THE PROCESS
    • THE SUN
    • THE ELEMENTS OF THE EARTH´S ECOSYSTEM