FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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dead animals
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rotten plants
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decompostion of the remains of plant and animal remains.
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plants and animals
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Detailed explanation-1: -Humus is dark, organic material that forms in soil when plant and animal matter decays.
Detailed explanation-2: -sedimentary rocks are formed as a result of the decomposition of dead plants and animals.
Detailed explanation-3: -Humus is the result of successive steps in the decomposition of organic matter. Because of the complex structure of humic substances, humus cannot be used by many micro-organisms as an energy source and remains in the soil for a relatively long time.
Detailed explanation-4: -Main. Soil organic matter (SOM) is formed through the partial decomposition and transformation of plant inputs (for example, above-and below-ground litter and exudates) by soil organisms.
Detailed explanation-5: -The organic matter is made up of dead and living plants, animals, and other organisms. Many of the living organisms are DECOMPOSERS that live on the dead plants and animals.