What organic material is formed from decaying leaves and other plant material?
Humus
Rocks
Sand
Gravel
The mixture of rock particles of different sizes, various other materials and humus is called soil.
Question 18 Top-soil contains the following (a) Humus and living organisms only (b) Humus and soil particles only (c) Humus, living organisms and plants (d) Humus, living organisms and soil particles.
On what decaying organic material does the fungi feed on ?