Mentor’s comment- Start with the definition of Soil. In the body discuss then the biological significance of soil; as a medium for plant growth, as a means of water storage, supply and purification, as a modifier of Earth’s atmosphere, as a habitat for organisms. Then move onto discuss the bio-climatic classification of the soils. Conclude … Continue reading Examine the biological significance of soil and give a bio-climatic classification of the soils found on the surface of the earth. 10 marks