What is the role of soil in ecosystems?

Soil plays a crucial role in ecosystems as it serves as a habitat for a diverse range of organisms. This includes a variety of insects, microorganisms, fungi, and plant roots, all of which interact with each other and the surrounding environment. The diverse community of life within the soil is essential for nutrient cycling, organic matter decomposition, and overall soil health, as it supports the growth of plants, which are foundational to most ecosystems.

Soil's capacity to offer a habitat is vital for maintaining biodiversity. For example, earthworms aerate the soil, while bacteria and fungi break down organic materials, enriching the soil and making nutrients available for plants. Additionally, many animals rely on soil for their habitats, as it provides shelter and resources needed for their survival. This interconnectedness highlights soil's fundamental role in sustaining various life forms and enabling ecosystem processes.

The other options either misrepresent the influence of soil or describe functions not typically associated directly with soil.