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Assessment
What role do earthworms play in soil fertility?
They break down organic matter into nutrients.
They repel pests from the soil.
They absorb all nutrients for themselves.
They only live in poor-quality soil.
How do earthworms contribute to soil aeration?
By tunneling through the soil and creating spaces.
By compacting the soil around them.
By consuming all other soil organisms.
By covering the soil surface.
Why are earthworms considered indicators of soil health?
They are sensitive to pollutants in the soil.
They reproduce quickly and in large numbers only in unhealthy soil.
They require dry conditions to thrive.
They only live in agricultural areas.
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