Soils are home for a wide variety of organisms such as worms and other tiny animals such as insects, arthropods (like spiders and millipedes). there are also organisms such as fungi and bacteria. collectively these organisms serve two very important services to/in the soil. what are these services?

The organisms break down and decompose dead material that are found in the soil. Therefore they provide nutrients that benefit trees and plants. Organisms like the worms and millipedes turn the soil as the move through it. This ensures that the soil is well ventilated with enough air to be used by plants.

Ithink the answer is d.

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