Ecology 101
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The Biosphere
Because ecologist study organisms and their environment, their studies take place in the biosphere. The biosphere is the portion of the Earth that supports life.
The Greek root bio means "life", and a sphere is a geometric shape that looks like a ball. When you look at Earth from the vantage point of space (shown on the right) you can see how it is considered to be a "ball of life".
Earth's biosphere has a vast amount of diversity. The biosphere's diverse locations contain organisms that are able to survive in the unique conditions found in a particular environment. Ecologists study these organisms, their adaptations, and the factors in their environment. These factors are divided up into two large groups: living factors & nonliving factors.
