what is soil? why is it reffred to as a living system
Answers
Answer:
Soil means the uppermost layer of the earth's crust, which contains the organic as well as mineral matter necessary for the growth of plants. Soil is a living system because it contains living organisms: plants, animals, fungi, protozoa, bacteria, archaea.
Answer:
Soil is a material composed of five ingredients — minerals, soil organic matter, living organisms, gas, and water. Soil minerals are divided into three size classes — clay, silt, and sand ; the percentages of particles in these size classes is called soil texture. ... Relative sizes of sand, silt, clay.
Soil is a living system because it comprises of living organisms such as plants and animals. ... Presence of organic substances indicates the robustness of the soil. Generally five factors determine the quality. Some of them include climate, organisms, landscape, position, parent material and time.