Rock the ASBOG Exam 2026 – Dig Deep into Geology Greatness!

Question: 1 / 400

What role do organisms play in the soil formation process?

They degrade soil quality

They contribute to soil nutrient content

Organisms play a crucial role in the soil formation process primarily through their contribution to soil nutrient content. Soil is not just a static medium; it is a dynamic environment where living organisms, including plants, animals, fungi, and microorganisms, interact with minerals and organic matter.

Organic matter decomposition by organisms like earthworms, bacteria, and fungi leads to the breakdown of complex organic compounds into simpler forms. This process enriches the soil with essential nutrients such as nitrogen, phosphorus, and potassium, which are vital for plant growth. Additionally, microorganisms help in the formation of soil aggregates, which enhance soil structure, aeration, and water retention.

Overall, the activities of these organisms are vital for developing healthy soil, which is essential for supporting plant life and sustaining ecosystems. The contribution to soil nutrient content reflects the interconnectedness of biological processes and soil health, highlighting the importance of living organisms in creating and maintaining fertile soils.

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They hinder sediment deposition

They have no impact on soil

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