FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Anything that is alive.
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Anything that is dead and has never lived.
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Anything living or once living
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dirt
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Detailed explanation-1: -The living part of soil organic matter includes a wide variety of micro-organisms such as bacteria, viruses, fungi, protozoa and algae. It also includes plant roots, insects, earthworms, and larger animals such as moles, mice and rabbits that spend part of their life in the soil.
Detailed explanation-2: -Soil is not a dead material but very much alive. It needs organic matter to feed the microorganisms and insects that make up its balanced ecosystem. Organic matter creates the environment for the many types of soil microbes and organisms that enhance plant growth and health.
Detailed explanation-3: -Soil organic matter (SOM) is the portion of soil that is composed of living and dead things in various states of decomposition, such as plant roots and microbes.