Hotmail
Messenger
My MSN
MSN Directory
Earth's Biosphere |
||||||
 |
||||||
 |
||||||
| The earth’s biosphere contains numerous complex ecosystems that collectively contain all of the living organisms of the planet. Unique perspectives of the earth help suggest the immensity and complexity of the planet’s biosphere. En route to the moon in December 1972, the Apollo 17 spacecraft took this image of the earth, showing Arabia and the continent of Africa. | ||||||
|
||||||
| NASA/Science Source/Photo Researchers, Inc. | ||||||
|
||||||
|
||||||
| Appears in these articles: | ||||||
|
||||||
| Biosphere; Earth (planet); Ecology | ||||||
|
||||||
|
||||||
|
Advertisement
|
||||||||||||||||||||||||||||||||||||||
| |
||||||||||||||||||||||||||||||||||||||
© 2008 Microsoft
  |