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Assessment
What is the primary function of soil organisms in an ecosystem?
Decomposing organic matter
Producing food
Pollinating plants
Generating energy from sunlight
Which of the following is considered a topsoil layer?
O Horizon
C Horizon
R Horizon
B Horizon
What role do earthworms play in the soil ecosystem?
They aerate the soil and enhance nutrient cycling.
They primarily feed on living plants.
They help in pollination directly.
They live outside of the soil and need water to survive.
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