
Soil profile. Image credit nesoil.com
ZIMSEC O Level Combined Science Notes: Ecosystems: The soil
- Soil is an important part of the ecosystem
- It is a critical component of life on earth and agriculture
- Soil thickness varies from a few millimeters to a several meters in places
- Animals and plants interact with one another and with weathered rocks to form the soil
- Micro-organisms in the soil carry out recycling activities which release nutrients for plants to absorb
- The soil acts as a source of water and nutrients for plants
- The components of the soil can be divided into physical and biological components
To access more topics go to the Combined Science Notes page.
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