Ecosystems: The soil

Ecosystems: The soil

Soil profile. Image credit nesoil.com

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.

By |2017-01-17T11:15:28+00:00February 27th, 2016|Notes, O Level Science Notes, Ordinary Level Notes|Comments Off on Ecosystems: The soil

About the Author:

He holds an Honours in Accountancy degree from the University of Zimbabwe. He is passionate about technology and its practical application in today's world.
%d bloggers like this: