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Most organisms in soil are found in the top layer of soil, known as the O horizon (organic matter horizon) or the A horizon (topsoil). This layer is rich in organic matter, nutrients, and microorganisms that support plant growth and decomposition processes.

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1y ago

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Where all organisms live in soil?

Soil organisms live in the space between the soil particles. i am a science genius!! :P


What is the correct order of the different soil horizons?

The correct order of soil horizons, from top to bottom, is O horizon, A horizon, E horizon, B horizon, C horizon, and R horizon. It is important to note that not all soils have all these horizons, as they can vary depending on the specific conditions of the soil.


Name All the horizons of a soil?

The horizons of a soil profile are O horizon (organic matter), A horizon (topsoil with organic material), E horizon (zone of leaching), B horizon (subsoil with accumulation of minerals), C horizon (weathered parent material), and R horizon (bedrock).


What soil horizon has solid rock?

The soil horizon that has solid rock is called the R horizon, also known as the bedrock. This layer is made up of unweathered parent material and is located beneath all other soil horizons.


What is a vertical section through all of the soil horizon is called?

A vertical section through all of the soil horizons is called a soil profile.


Fallen leaves make up an important part of the horizon of soil?

Soil is composed of organic and inorganic parts. Inorganic is weathered rock. Organic is dead or decaying organisms called humus. Fallen leaves are part of what makes up humus. Fallen leaves (as well as all humus) are found in the "O" horizon as well as the "A" horizon.


What is one general term for organisms that live in soil?

There really isn't just one term for soil organisms. Living organisms in soil include bacteria, fungi, algae, protozoa, springtails, mites, nematodes, earthworms, ants, insects that spend all or part of their life underground, and larger organisms such as burrowing rodents.


What collects all organisms that live in a particular place together with their nonliving environment?

The ecosystem is a collection of all the organisms that live in a particular place, together with their nonliving environment. Something like mineral soil would be an example of a nonliving component.


What kind of decomposers live in a woodland biome?

The type of decomposers that live in a woodland biome would be mushrooms, fungi, and moss. All of these organisms normally can be found on the sides of trees or in moist soil.


What is the key ingredient that all organisms need?

All organisms need oxygen to live.


Soil organisms that turn dead organic matter into humus?

Soil organisms that turn dead organic matter into humus are called decomposers.


What is the horizon layer?

the horizon layer is a layer that separates the soil layers. For and example O horizon which is litter ,A horizon which is topsoil ,B horizon which is subsoil , C horizon which is weathered bedrock and R horizon which is unweathered bedrockI Love All My Ask Friends Peace Myah Is Out!!!!