Earthworms are a species of worms that lives in moist soil along with other organisms like tiny insects and bacteria. Earthworms obtain water and nutrients by eating dead plant material found in the soil. Earthworms also release waste materials that help enrich the soil.

A habitat is the place where an organism lives. The earthworms live in moist soil, so soil is their habitat. A niche describes an organism’s role in its ecosystem, such as eating dead plant material and enriching the soil; it is not simply the place where it lives.

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