10 Questions
The soil is the most familiar, and certainly the most ______, of these layers.
complex
The distinction between soil and ______ is that the former contains living organisms larger than bacteria, while the latter does not.
subsoil
The soil is the layer occupied by the ______ of plants;
roots
This abundance of living material affects the soil's ______, its color, its chemistry, and the way water flows through it.
structure
When water descends from soil into ______, it encounters entirely different conditions.
subsoil
The soil is the layer where the roots of plants ______.
are
The abundance of living material affects the soil's ______, its chemistry, and the way water flows through it.
structure
The soil is the home of myriads of mostly unnoticed ______ organisms.
soil
The soil contains living organisms larger than ______.
bacteria
The soil is the most complex, of these ______.
layers
Study Notes
Soil and Subsoil
- Soil is the most complex and familiar layer of the Earth's layers.
- The key distinction between soil and subsoil is the presence of living organisms larger than bacteria in soil, whereas subsoil does not contain them.
- Soil is the layer where plant roots are found and is home to a vast array of soil organisms.
- The presence of living organisms in soil affects its:
- Structure
- Color
- Chemistry
- Water flow patterns
- When water flows from soil into subsoil, it encounters significantly different conditions.
Soil and Subsoil
- Soil is the most complex and familiar layer of the Earth's layers.
- The key distinction between soil and subsoil is the presence of living organisms larger than bacteria in soil, whereas subsoil does not contain them.
- Soil is the layer where plant roots are found and is home to a vast array of soil organisms.
- The presence of living organisms in soil affects its:
- Structure
- Color
- Chemistry
- Water flow patterns
- When water flows from soil into subsoil, it encounters significantly different conditions.
Learn about the differences between soil and subsoil, including the presence of living organisms, structure, and water flow. Discover the complexity of soil and its importance for plant growth.
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