Earthworms Are Repelled by the High Concentrations of Nutrients in Soils

Multiple Choice

Earthworms are repelled by the high concentrations of nutrients in soils treated with synthetic fertilizers. How might this affect the soil structure?

A) The soil becomes less fertilized by bird droppings.
B) The soil becomes more compact.
C) As the worms leave, insect larvae take over the role of making the soil porous.
D) Decaying dead worms are an important component of soil compost, which is why soil without many worms is less fertile.