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What is humus?
hillside
dark, organic material formed in soil from the decayed remains of plants and animals
spaces between soil particles through which water and air can move
all of these
They add organic material to the soil by breaking down the remains of plants and animals.
Bedrock begins to disintegrate/break down.
It loosens and mixes the soil, increasing air in the soil and the ability to drain water.
Developed soil supports thick vegetation.
Which of the following describes how microorganisms (bacteria) influence the characteristics of soil?
hillside
dark, organic material formed in soil from the decayed remains of plants and animals
spaces between soil particles through which water and air can move
all of these
They add organic material to the soil by breaking down the remains of plants and animals.
Bedrock begins to disintegrate/break down.
It loosens and mixes the soil, increasing air in the soil and the ability to drain water.
Developed soil supports thick vegetation.
In which of the following locations is new soil likely to form at the slowest rate over time due to environmental conditions?
hillside
dark, organic material formed in soil from the decayed remains of plants and animals
spaces between soil particles through which water and air can move
all of these
They add organic material to the soil by breaking down the remains of plants and animals.
Bedrock begins to disintegrate/break down.
It loosens and mixes the soil, increasing air in the soil and the ability to drain water.
Developed soil supports thick vegetation.
What materials are necessary for soil to form?
hillside
dark, organic material formed in soil from the decayed remains of plants and animals
spaces between soil particles through which water and air can move
all of these
They add organic material to the soil by breaking down the remains of plants and animals.
Bedrock begins to disintegrate/break down.
It loosens and mixes the soil, increasing air in the soil and the ability to drain water.
Developed soil supports thick vegetation.
What is the first stage in the development of soil?
hillside
dark, organic material formed in soil from the decayed remains of plants and animals
spaces between soil particles through which water and air can move
all of these
They add organic material to the soil by breaking down the remains of plants and animals.
Bedrock begins to disintegrate/break down.
It loosens and mixes the soil, increasing air in the soil and the ability to drain water.
Developed soil supports thick vegetation.
Gopher tortoises live on dry land. They live in large holes that they dig in the soil. Which statement gives the best explanation of how this behavior aids in soil formation?
hillside
dark, organic material formed in soil from the decayed remains of plants and animals
spaces between soil particles through which water and air can move
all of these
They add organic material to the soil by breaking down the remains of plants and animals.
Bedrock begins to disintegrate/break down.
It loosens and mixes the soil, increasing air in the soil and the ability to drain water.
Developed soil supports thick vegetation.
What is the second stage in the development of soil?
hillside
dark, organic material formed in soil from the decayed remains of plants and animals
spaces between soil particles through which water and air can move
all of these
They add organic material to the soil by breaking down the remains of plants and animals.
Bedrock begins to disintegrate/break down.
It loosens and mixes the soil, increasing air in the soil and the ability to drain water.
Developed soil supports thick vegetation.
What is pore space?
hillside
dark, organic material formed in soil from the decayed remains of plants and animals
spaces between soil particles through which water and air can move
all of these
They add organic material to the soil by breaking down the remains of plants and animals.
Bedrock begins to disintegrate/break down.
It loosens and mixes the soil, increasing air in the soil and the ability to drain water.
Developed soil supports thick vegetation.
Check it!