The Open Door Web Site
Part X : The Environment
Environmental Factors Appropriate for Life :
LIFE IN THE SOIL
The top layers of the soil are full of living organisms. Most of them are microscopic organisms, also called microbes.
Most of these organisms are fungi and bacteria that eat dead leaves which have fallen to the ground. This is how the leaves decompose.
When something decomposes, it means that it is broken down into small particles.
Some soil organisms, such as springtails and mites, are big enough to be seen by the naked eye as little dots. They can be observed in more detail by using a binocular microscope.
These, too, are mostly decomposers; so are the large earthworms which can be seen even without a hand lens. All of these organisms are relatively small but play a very important role in making soil.
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