The document summarizes the key elements of Earth's ecosystem, including the lithosphere, hydrosphere, atmosphere, and biosphere. It defines an ecosystem as consisting of living organisms that interact with abiotic components like air, soil, water, and sunlight within a particular area. However, human activity is putting the balance of ecosystems at risk by transforming the planet. The greenhouse effect is also discussed as the process whereby greenhouse gases in the atmosphere absorb and re-radiate the sun's thermal radiation, impacting the climate.

1. THE EARTH IS AN ECOSYSTEM
grupo: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.

2. 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

3. THE ECOSYSTEM

4. 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

5. 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.

6. GREENHOUSE EFFECT THE PROCESS

7. THE SUN

8. THE ELEMENTS OF THE EARTH´S
ECOSYSTEM